download pdf file - 500 error

flagrow/upload extension version: <0.6.0>
flarum version: 0.1.0-beta.7
upload adapter causing issues: local

mimetype configurations: <eg .* => local> (application\/(x-(7z|rar)-compressed|zip|arj|x-(bzip2|gzip|lha|stuffit|tar)|pdf)) default file download

Uploading files is fine. When I click on the red button, I am redirected to 500 error page which shows following details:

{
"errors": [
{
"code": 500,
"title": "Internal server error",
"detail": "Flagrow\\Upload\\Exceptions\\InvalidDownloadException: Client error: `GET .../assets/files/2018-07-10/1531234767-540854-communitycanvas-guidebook-v100.pdf` resulted in a `404 Not Found` response:\n<!DOCTYPE html>\n<html>\n<head lang=\"en\">\n  <meta charset=\"UTF-8\">\n  <title></title>\n</head>\n<body>\n\n<h1>404 Not Found</h1 (truncated...)\n in .../vendor/flagrow/upload/src/Downloader/DefaultDownloader.php:46\nStack trace:\n#0 .../vendor/flagrow/upload/src/Commands/DownloadHandler.php(86): Flagrow\\Upload\\Downloader\\DefaultDownloader->download(Object(Flagrow\\Upload\\File), Object(Flagrow\\Upload\\Commands\\Download))\n#1 [internal function]: Flagrow\\Upload\\Commands\\DownloadHandler->handle(Object(Flagrow\\Upload\\Commands\\Download))\n#2 .../vendor/illuminate/bus/Dispatcher.php(202): call_user_func(Array, Object(Flagrow\\Upload\\Commands\\Download))\n#3 [internal function]: Illuminate\\Bus\\Dispatcher->Illuminate\\Bus\\{closure}(Object(Flagrow\\Upload\\Commands\\Download))\n#4 .../vendor/illuminate/pipeline/Pipeline.php(139): call_user_func(Object(Closure), Object(Flagrow\\Upload\\Commands\\Download))\n#5 [internal function]: Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Flagrow\\Upload\\Commands\\Download))\n#6 .../vendor/illuminate/pipeline/Pipeline.php(102): call_user_func(Object(Closure), Object(Flagrow\\Upload\\Commands\\Download))\n#7 .../vendor/illuminate/bus/Dispatcher.php(204): Illuminate\\Pipeline\\Pipeline->then(Object(Closure))\n#8 .../vendor/illuminate/bus/Dispatcher.php(177): Illuminate\\Bus\\Dispatcher->dispatchNow(Object(Flagrow\\Upload\\Commands\\Download), NULL)\n#9 .../vendor/flagrow/upload/src/Api/Controllers/DownloadController.php(60): Illuminate\\Bus\\Dispatcher->dispatch(Object(Flagrow\\Upload\\Commands\\Download))\n#10 .../vendor/flarum/core/src/Http/Handler/ControllerRouteHandler.php(53): Flagrow\\Upload\\Api\\Controllers\\DownloadController->handle(Object(Zend\\Stratigility\\Http\\Request))\n#11 .../vendor/flarum/core/src/Http/Middleware/DispatchRoute.php(69): Flarum\\Http\\Handler\\ControllerRouteHandler->__invoke(Object(Zend\\Stratigility\\Http\\Request), Array)\n#12 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\\Http\\Middleware\\DispatchRoute->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#13 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\\Stratigility\\Dispatch->dispatchCallableMiddleware(Object(Flarum\\Http\\Middleware\\DispatchRoute), Object(Zend\\Stratigility\\Next), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), NULL)\n#14 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#15 .../vendor/flagrow/terms/src/Middlewares/RegisterMiddleware.php(50): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#16 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flagrow\\Terms\\Middlewares\\RegisterMiddleware->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#17 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\\Stratigility\\Dispatch->dispatchCallableMiddleware(Object(Flagrow\\Terms\\Middlewares\\RegisterMiddleware), Object(Zend\\Stratigility\\Next), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), NULL)\n#18 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#19 .../vendor/flarum/core/src/Http/Middleware/SetLocale.php(51): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#20 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\\Http\\Middleware\\SetLocale->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#21 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\\Stratigility\\Dispatch->dispatchCallableMiddleware(Object(Flarum\\Http\\Middleware\\SetLocale), Object(Zend\\Stratigility\\Next), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), NULL)\n#22 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#23 .../vendor/flarum/core/src/Http/Middleware/AuthenticateWithHeader.php(58): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#24 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\\Http\\Middleware\\AuthenticateWithHeader->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#25 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\\Stratigility\\Dispatch->dispatchCallableMiddleware(Object(Flarum\\Http\\Middleware\\AuthenticateWithHeader), Object(Zend\\Stratigility\\Next), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), NULL)\n#26 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#27 .../vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(36): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#28 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\\Http\\Middleware\\AuthenticateWithSession->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#29 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\\Stratigility\\Dispatch->dispatchCallableMiddleware(Object(Flarum\\Http\\Middleware\\AuthenticateWithSession), Object(Zend\\Stratigility\\Next), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), NULL)\n#30 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#31 .../vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(39): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#32 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\\Http\\Middleware\\RememberFromCookie->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#33 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\\Stratigility\\Dispatch->dispatchCallableMiddleware(Object(Flarum\\Http\\Middleware\\RememberFromCookie), Object(Zend\\Stratigility\\Next), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), NULL)\n#34 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#35 .../vendor/flarum/core/src/Http/Middleware/StartSession.php(48): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#36 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\\Http\\Middleware\\StartSession->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#37 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\\Stratigility\\Dispatch->dispatchCallableMiddleware(Object(Flarum\\Http\\Middleware\\StartSession), Object(Zend\\Stratigility\\Next), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), NULL)\n#38 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#39 .../vendor/flarum/core/src/Api/Middleware/FakeHttpMethods.php(33): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#40 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\\Api\\Middleware\\FakeHttpMethods->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#41 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\\Stratigility\\Dispatch->dispatchCallableMiddleware(Object(Flarum\\Api\\Middleware\\FakeHttpMethods), Object(Zend\\Stratigility\\Next), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), NULL)\n#42 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#43 .../vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(31): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#44 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\\Http\\Middleware\\ParseJsonBody->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#45 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\\Stratigility\\Dispatch->dispatchCallableMiddleware(Object(Flarum\\Http\\Middleware\\ParseJsonBody), Object(Zend\\Stratigility\\Next), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), NULL)\n#46 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#47 .../vendor/flarum/core/src/Api/Middleware/HandleErrors.php(45): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#48 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\\Api\\Middleware\\HandleErrors->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#49 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\\Stratigility\\Dispatch->dispatchCallableMiddleware(Object(Flarum\\Api\\Middleware\\HandleErrors), Object(Zend\\Stratigility\\Next), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), NULL)\n#50 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#51 .../vendor/zendframework/zend-stratigility/src/MiddlewarePipe.php(111): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#52 .../vendor/flarum/core/src/Http/AbstractServer.php(55): Zend\\Stratigility\\MiddlewarePipe->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\NoopFinalHandler))\n#53 .../vendor/zendframework/zend-diactoros/src/Server.php(162): Flarum\\Http\\AbstractServer->__invoke(Object(Zend\\Diactoros\\ServerRequest), Object(Zend\\Diactoros\\Response), Object(Zend\\Stratigility\\NoopFinalHandler))\n#54 .../vendor/flarum/core/src/Http/AbstractServer.php(36): Zend\\Diactoros\\Server->listen(Object(Zend\\Stratigility\\NoopFinalHandler))\n#55 .../api.php(16): Flarum\\Http\\AbstractServer->listen()\n#56 {main}"
}
]
}

However I can see the uploaded files in assets folder. Here the flarum log:

[2018-07-10 15:43:42] production.DEBUG: Flarum\Http\Exception\RouteNotFoundException in .../vendor/flarum/core/src/Http/Middleware/DispatchRoute.php:62
Stack trace:
#0 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\Http\Middleware\DispatchRoute->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#1 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\Stratigility\Dispatch->dispatchCallableMiddleware(Object(Flarum\Http\Middleware\DispatchRoute), Object(Zend\Stratigility\Next), Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), NULL)
#2 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\Stratigility\Dispatch->__invoke(Object(Zend\Stratigility\Route), NULL, Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#3 .../vendor/flagrow/terms/src/Middlewares/RegisterMiddleware.php(50): Zend\Stratigility\Next->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response))
#4 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flagrow\Terms\Middlewares\RegisterMiddleware->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#5 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\Stratigility\Dispatch->dispatchCallableMiddleware(Object(Flagrow\Terms\Middlewares\RegisterMiddleware), Object(Zend\Stratigility\Next), Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), NULL)
#6 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\Stratigility\Dispatch->__invoke(Object(Zend\Stratigility\Route), NULL, Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#7 .../vendor/flarum/core/src/Http/Middleware/SetLocale.php(51): Zend\Stratigility\Next->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response))
#8 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\Http\Middleware\SetLocale->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#9 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\Stratigility\Dispatch->dispatchCallableMiddleware(Object(Flarum\Http\Middleware\SetLocale), Object(Zend\Stratigility\Next), Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), NULL)
#10 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\Stratigility\Dispatch->__invoke(Object(Zend\Stratigility\Route), NULL, Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#11 .../vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(36): Zend\Stratigility\Next->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response))
#12 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\Http\Middleware\AuthenticateWithSession->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#13 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\Stratigility\Dispatch->dispatchCallableMiddleware(Object(Flarum\Http\Middleware\AuthenticateWithSession), Object(Zend\Stratigility\Next), Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), NULL)
#14 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\Stratigility\Dispatch->__invoke(Object(Zend\Stratigility\Route), NULL, Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#15 .../vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(39): Zend\Stratigility\Next->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response))
#16 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\Http\Middleware\RememberFromCookie->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#17 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\Stratigility\Dispatch->dispatchCallableMiddleware(Object(Flarum\Http\Middleware\RememberFromCookie), Object(Zend\Stratigility\Next), Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), NULL)
#18 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\Stratigility\Dispatch->__invoke(Object(Zend\Stratigility\Route), NULL, Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#19 .../vendor/flarum/core/src/Http/Middleware/StartSession.php(48): Zend\Stratigility\Next->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response))
#20 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\Http\Middleware\StartSession->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#21 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\Stratigility\Dispatch->dispatchCallableMiddleware(Object(Flarum\Http\Middleware\StartSession), Object(Zend\Stratigility\Next), Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), NULL)
#22 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\Stratigility\Dispatch->__invoke(Object(Zend\Stratigility\Route), NULL, Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#23 .../vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(31): Zend\Stratigility\Next->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response))
#24 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\Http\Middleware\ParseJsonBody->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#25 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\Stratigility\Dispatch->dispatchCallableMiddleware(Object(Flarum\Http\Middleware\ParseJsonBody), Object(Zend\Stratigility\Next), Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), NULL)
#26 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\Stratigility\Dispatch->__invoke(Object(Zend\Stratigility\Route), NULL, Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#27 .../vendor/flarum/core/src/Http/Middleware/HandleErrors.php(61): Zend\Stratigility\Next->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response))
#28 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(212): Flarum\Http\Middleware\HandleErrors->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#29 .../vendor/zendframework/zend-stratigility/src/Dispatch.php(88): Zend\Stratigility\Dispatch->dispatchCallableMiddleware(Object(Flarum\Http\Middleware\HandleErrors), Object(Zend\Stratigility\Next), Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), NULL)
#30 .../vendor/zendframework/zend-stratigility/src/Next.php(160): Zend\Stratigility\Dispatch->__invoke(Object(Zend\Stratigility\Route), NULL, Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\Next))
#31 .../vendor/zendframework/zend-stratigility/src/MiddlewarePipe.php(111): Zend\Stratigility\Next->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response))
#32 .../vendor/flarum/core/src/Http/AbstractServer.php(55): Zend\Stratigility\MiddlewarePipe->__invoke(Object(Zend\Stratigility\Http\Request), Object(Zend\Stratigility\Http\Response), Object(Zend\Stratigility\NoopFinalHandler))
#33 .../vendor/zendframework/zend-diactoros/src/Server.php(162): Flarum\Http\AbstractServer->__invoke(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Zend\Stratigility\NoopFinalHandler))
#34 .../vendor/flarum/core/src/Http/AbstractServer.php(36): Zend\Diactoros\Server->listen(Object(Zend\Stratigility\NoopFinalHandler))
#35 .../index.php(16): Flarum\Http\AbstractServer->listen()
#36 {main}

FriendsOfFlarum / upload

download pdf file - 500 error #148

mimetype configurations: <eg .* => local> (application\/(x-(7z|rar)-compressed|zip|arj|x-(bzip2|gzip|lha|stuffit|tar)|pdf)) default file download