500 error "Creating a metric"

[TheBags]

Cachet ver: 2.4.0-dev Deploy type: docker

Hi, I have a 500 error when I try to create a metric. The error on container logs is: 89.96.211.182 - - [13/Aug/2019:06:53:44 +0000] "GET /dashboard/metrics/create HTTP/1.1" 500 3187 "http://teststatus.motork.io/dashboard/metrics" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36" "-"

The laravel log say:

Stack trace:
#0 /var/www/html/vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php(45): Illuminate\View\Engines\CompilerEngine->handleViewException(Object(ErrorException), 0)
#1 /var/www/html/vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php(59): Illuminate\View\Engines\PhpEngine->evaluatePath('/var/www/html/s...', Array)
#2 /var/www/html/vendor/laravel/framework/src/Illuminate/View/View.php(142): Illuminate\View\Engines\CompilerEngine->get('/var/www/html/r...', Array)
#3 /var/www/html/vendor/laravel/framework/src/Illuminate/View/View.php(125): Illuminate\View\View->getContents()
#4 /var/www/html/vendor/laravel/framework/src/Illuminate/View/View.php(90): Illuminate\View\View->renderContents()
#5 /var/www/html/vendor/laravel/framework/src/Illuminate/Http/Response.php(42): Illuminate\View\View->render()
#6 /var/www/html/vendor/symfony/http-foundation/Response.php(202): Illuminate\Http\Response->setContent(Object(Illuminate\View\View))
#7 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(750): Symfony\Component\HttpFoundation\Response->__construct(Object(Illuminate\View\View))
#8 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(722): Illuminate\Routing\Router::toResponse(Object(Illuminate\Http\Request), Object(Illuminate\View\View))
#9 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(682): Illuminate\Routing\Router->prepareResponse(Object(Illuminate\Http\Request), Object(Illuminate\View\View))
#10 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\Routing\Router->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#11 /var/www/html/app/Http/Middleware/Authenticate.php(61): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#12 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): CachetHQ\Cachet\Http\Middleware\Authenticate->handle(Object(Illuminate\Http\Request), Object(Closure))
#13 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#14 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php(41): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#15 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Routing\Middleware\SubstituteBindings->handle(Object(Illuminate\Http\Request), Object(Closure))
#16 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#17 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php(75): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#18 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Foundation\Http\Middleware\VerifyCsrfToken->handle(Object(Illuminate\Http\Request), Object(Closure))
#19 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#20 /var/www/html/vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php(49): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#21 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\View\Middleware\ShareErrorsFromSession->handle(Object(Illuminate\Http\Request), Object(Closure))
#22 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#23 /var/www/html/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(63): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#24 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Session\Middleware\StartSession->handle(Object(Illuminate\Http\Request), Object(Closure))
#25 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#26 /var/www/html/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php(37): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#27 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse->handle(Object(Illuminate\Http\Request), Object(Closure))
#28 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#29 /var/www/html/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php(66): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#30 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Cookie\Middleware\EncryptCookies->handle(Object(Illuminate\Http\Request), Object(Closure))
#31 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#32 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#33 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(684): Illuminate\Pipeline\Pipeline->then(Object(Closure))
#34 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(659): Illuminate\Routing\Router->runRouteWithinStack(Object(Illuminate\Routing\Route), Object(Illuminate\Http\Request))
#35 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(625): Illuminate\Routing\Router->runRoute(Object(Illuminate\Http\Request), Object(Illuminate\Routing\Route))
#36 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(614): Illuminate\Routing\Router->dispatchToRoute(Object(Illuminate\Http\Request))
#37 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(176): Illuminate\Routing\Router->dispatch(Object(Illuminate\Http\Request))
#38 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\Foundation\Http\Kernel->Illuminate\Foundation\Http\{closure}(Object(Illuminate\Http\Request))
#39 /var/www/html/vendor/barryvdh/laravel-debugbar/src/Middleware/InjectDebugbar.php(58): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#40 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Barryvdh\Debugbar\Middleware\InjectDebugbar->handle(Object(Illuminate\Http\Request), Object(Closure))
#41 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#42 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/CheckForMaintenanceMode.php(62): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#43 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode->handle(Object(Illuminate\Http\Request), Object(Closure))
#44 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#45 /var/www/html/vendor/fideloper/proxy/src/TrustProxies.php(57): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#46 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Fideloper\Proxy\TrustProxies->handle(Object(Illuminate\Http\Request), Object(Closure))
#47 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#48 /var/www/html/vendor/barryvdh/laravel-cors/src/HandlePreflight.php(29): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#49 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Barryvdh\Cors\HandlePreflight->handle(Object(Illuminate\Http\Request), Object(Closure))
#50 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#51 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#52 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(151): Illuminate\Pipeline\Pipeline->then(Object(Closure))
#53 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(116): Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter(Object(Illuminate\Http\Request))
#54 /var/www/html/public/index.php(54): Illuminate\Foundation\Http\Kernel->handle(Object(Illuminate\Http\Request))
#55 {main} {"identification":{"id":"819edda2-27bb-4b77-80d2-efad4a362dbb"},"exception":"[object] (ErrorException(code: 0): Undefined variable: acceptableThresholds (View: /var/www/html/resources/views/dashboard/metrics/add.blade.php) at /var/www/html/storage/framework/views/9d0436f0f6d38230e3adb90622bf5262be824ab9.php:60, ErrorException(code: 0): Undefined variable: acceptableThresholds at /var/www/html/storage/framework/views/9d0436f0f6d38230e3adb90622bf5262be824ab9.php:60)
[stacktrace]
#0 /var/www/html/vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php(45): Illuminate\\View\\Engines\\CompilerEngine->handleViewException(Object(ErrorException), 0)
#1 /var/www/html/vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php(59): Illuminate\\View\\Engines\\PhpEngine->evaluatePath('/var/www/html/s...', Array)
#2 /var/www/html/vendor/laravel/framework/src/Illuminate/View/View.php(142): Illuminate\\View\\Engines\\CompilerEngine->get('/var/www/html/r...', Array)
#3 /var/www/html/vendor/laravel/framework/src/Illuminate/View/View.php(125): Illuminate\\View\\View->getContents()
#4 /var/www/html/vendor/laravel/framework/src/Illuminate/View/View.php(90): Illuminate\\View\\View->renderContents()
#5 /var/www/html/vendor/laravel/framework/src/Illuminate/Http/Response.php(42): Illuminate\\View\\View->render()
#6 /var/www/html/vendor/symfony/http-foundation/Response.php(202): Illuminate\\Http\\Response->setContent(Object(Illuminate\\View\\View))
#7 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(750): Symfony\\Component\\HttpFoundation\\Response->__construct(Object(Illuminate\\View\\View))
#8 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(722): Illuminate\\Routing\\Router::toResponse(Object(Illuminate\\Http\\Request), Object(Illuminate\\View\\View))
#9 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(682): Illuminate\\Routing\\Router->prepareResponse(Object(Illuminate\\Http\\Request), Object(Illuminate\\View\\View))
#10 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\\Routing\\Router->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#11 /var/www/html/app/Http/Middleware/Authenticate.php(61): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#12 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): CachetHQ\\Cachet\\Http\\Middleware\\Authenticate->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#13 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#14 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php(41): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#15 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Routing\\Middleware\\SubstituteBindings->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#16 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#17 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php(75): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#18 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Foundation\\Http\\Middleware\\VerifyCsrfToken->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#19 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#20 /var/www/html/vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php(49): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#21 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\View\\Middleware\\ShareErrorsFromSession->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#22 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#23 /var/www/html/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(63): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#24 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Session\\Middleware\\StartSession->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#25 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#26 /var/www/html/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php(37): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#27 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Cookie\\Middleware\\AddQueuedCookiesToResponse->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#28 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#29 /var/www/html/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php(66): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#30 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Cookie\\Middleware\\EncryptCookies->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#31 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#32 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#33 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(684): Illuminate\\Pipeline\\Pipeline->then(Object(Closure))
#34 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(659): Illuminate\\Routing\\Router->runRouteWithinStack(Object(Illuminate\\Routing\\Route), Object(Illuminate\\Http\\Request))
#35 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(625): Illuminate\\Routing\\Router->runRoute(Object(Illuminate\\Http\\Request), Object(Illuminate\\Routing\\Route))
#36 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Router.php(614): Illuminate\\Routing\\Router->dispatchToRoute(Object(Illuminate\\Http\\Request))
#37 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(176): Illuminate\\Routing\\Router->dispatch(Object(Illuminate\\Http\\Request))
#38 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\\Foundation\\Http\\Kernel->Illuminate\\Foundation\\Http\\{closure}(Object(Illuminate\\Http\\Request))
#39 /var/www/html/vendor/barryvdh/laravel-debugbar/src/Middleware/InjectDebugbar.php(58): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#40 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Barryvdh\\Debugbar\\Middleware\\InjectDebugbar->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#41 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#42 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/CheckForMaintenanceMode.php(62): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#43 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Foundation\\Http\\Middleware\\CheckForMaintenanceMode->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#44 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#45 /var/www/html/vendor/fideloper/proxy/src/TrustProxies.php(57): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#46 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Fideloper\\Proxy\\TrustProxies->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#47 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#48 /var/www/html/vendor/barryvdh/laravel-cors/src/HandlePreflight.php(29): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#49 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Barryvdh\\Cors\\HandlePreflight->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#50 /var/www/html/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#51 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#52 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(151): Illuminate\\Pipeline\\Pipeline->then(Object(Closure))
#53 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(116): Illuminate\\Foundation\\Http\\Kernel->sendRequestThroughRouter(Object(Illuminate\\Http\\Request))
#54 /var/www/html/public/index.php(54): Illuminate\\Foundation\\Http\\Kernel->handle(Object(Illuminate\\Http\\Request))
#55 {main}
"} 

The related views is:

<div class="header">
    <div class="sidebar-toggler visible-xs">
        <i class="ion ion-navicon"></i>
    </div>
    <span class="uppercase">
        <i class="ion ion-ios-pie-outline"></i> <?php echo e(trans('dashboard.metrics.metrics')); ?>

    </span>
    > <small><?php echo e(trans('dashboard.metrics.add.title')); ?></small>
</div>
<div class="content-wrapper">
    <div class="row">
        <div class="col-md-12">
            <?php echo $__env->make('partials.errors', \Illuminate\Support\Arr::except(get_defined_vars(), array('__data', '__path')))->render(); ?>
            <form class="form-vertical" name="MetricsForm" role="form" method="POST">
                <input type="hidden" name="_token" value="<?php echo e(csrf_token()); ?>">
                <fieldset>
                    <div class="form-group">
                        <label for="metric-name"><?php echo e(trans('forms.metrics.name')); ?></label>
                        <input type="text" class="form-control" name="metric[name]" id="metric-name" required value="<?php echo e(Binput::old('metric.name')); ?>" placeholder="<?php echo e(trans('forms.metrics.name')); ?>">
                    </div>
                    <div class="form-group">
                        <label for="metric-suffix"><?php echo e(trans('forms.metrics.suffix')); ?></label>
                        <input type="text" class="form-control" name="metric[suffix]" id="metric-suffix" required value="<?php echo e(Binput::old('metric.suffix')); ?>" placeholder="<?php echo e(trans('forms.metrics.suffix')); ?>">
                    </div>
                    <div class="form-group">
                        <label><?php echo e(trans('forms.metrics.description')); ?></label>
                        <div class='markdown-control'>
                            <textarea name="metric[description]" class="form-control" rows="5" placeholder="<?php echo e(trans('forms.metrics.description')); ?>"><?php echo e(Binput::old('metric.description')); ?></textarea>
                        </div>
                    </div>
                    <div class="form-group">
                        <label><?php echo e(trans('forms.metrics.calc_type')); ?></label>
                        <select name="metric[calc_type]" class="form-control" required>
                            <option value="0" selected><?php echo e(trans('forms.metrics.type_sum')); ?></option>
                            <option value="1"><?php echo e(trans('forms.metrics.type_avg')); ?></option>
                        </select>
                    </div>
                    <div class="form-group">
                        <label><?php echo e(trans('forms.metrics.default_view')); ?></label>
                        <select name="metric[default_view]" class="form-control" required>
                            <option value="0"><?php echo e(trans('cachet.metrics.filter.last_hour')); ?></option>
                            <option value="1" selected><?php echo e(trans('cachet.metrics.filter.hourly')); ?></option>
                            <option value="2"><?php echo e(trans('cachet.metrics.filter.weekly')); ?></option>
                            <option value="3"><?php echo e(trans('cachet.metrics.filter.monthly')); ?></option>
                        </select>
                    </div>
                    <div class="form-group">
                        <label for="metric-default_value"><?php echo e(trans('forms.metrics.default-value')); ?></label>
                        <input type="number" class="form-control" name="metric[default_value]" id="metric-default_value" value="<?php echo e(Binput::old('metric.default_value')); ?>" placeholder="<?php echo e(trans('forms.metrics.default-value')); ?>">
                    </div>
                    <div class="form-group">
                        <label for="metric-places"><?php echo e(trans('forms.metrics.places')); ?></label>
                        <input type="number" min="0" max="4" class="form-control" name="metric[places]" id="metric-places" required value="<?php echo e(Binput::old('metric.places')); ?>" placeholder="<?php echo e(trans('forms.metrics.places')); ?>">
                    </div>
                    <div class="form-group">
                        <label for="metric-places"><?php echo e(trans('forms.metrics.threshold')); ?></label>
                        <select name="metric[threshold]" class="form-control" required>
                            <?php $__currentLoopData = $acceptableThresholds; $__env->addLoop($__currentLoopData); foreach($__currentLoopData as $threshold): $__env->incrementLoopIndices(); $loop = $__env->getLastLoop(); ?>
                            <option <?php echo e((int) Binput::old('metric.threshold') === $threshold ? 'selected' : null); ?>><?php echo e($threshold); ?></option>
                            <?php endforeach; $__env->popLoop(); $loop = $__env->getLastLoop(); ?>
                        </select>
                    </div>
                    <div class="checkbox">
                        <label>
                            <input type="hidden" value="0" name="metric[display_chart]">
                            <input type="checkbox" value="1" name="metric[display_chart]" checked>
                            <?php echo e(trans('forms.metrics.display-chart')); ?>

                        </label>
                    </div>
                    <div class="form-group">
                        <label><?php echo e(trans('forms.metrics.visibility')); ?></label>
                        <select name="metric[visible]" class="form-control" required>
                            <option value="0"><?php echo e(trans('forms.metrics.visibility_authenticated')); ?></option>
                            <option value="1"><?php echo e(trans('forms.metrics.visibility_public')); ?></option>
                            <option value="2"><?php echo e(trans('forms.metrics.visibility_hidden')); ?></option>
                        </select>
                    </div>
                </fieldset>
                <div class="form-group">
                    <div class="btn-group">
                        <button type="submit" class="btn btn-success"><?php echo e(trans('forms.add')); ?></button>
                        <a class="btn btn-default" href="<?php echo e(cachet_route('dashboard.metrics')); ?>"><?php echo e(trans('forms.cancel')); ?></a>
                    </div>
                </div>
            </form>
        </div>
    </div>
</div>
<?php $__env->stopSection(); ?>

<?php echo $__env->make('layout.dashboard', \Illuminate\Support\Arr::except(get_defined_vars(), array('__data', '__path')))->render(); ?>```

What I've to do to solve this?

Regards,
Giovanni