Error when not logged in as administrator

[curtisdelicata]

Error: Call to a member function parameter() on null in file /modules_v4/webtrees-fan-chart/src/Traits/UtilityTrait.php on line 183 Stack trace:

1. Error->() /modules_v4/webtrees-fan-chart/src/Traits/UtilityTrait.php:183
2. MagicSunday\Webtrees\FanChart\Module->getColor() /modules_v4/webtrees-fan-chart/src/Module.php:124
3. MagicSunday\Webtrees\FanChart\Module->getChartParameters() /modules_v4/webtrees-fan-chart/src/Module.php:90
4. MagicSunday\Webtrees\FanChart\Module->getChartAction() [internal]:0
5. ReflectionMethod->invoke() /app/Application.php:45
6. Fisharebest\Webtrees\Application->dispatch() /app/Http/Controllers/ModuleController.php:82
7. Fisharebest\Webtrees\Http\Controllers\ModuleController->action() [internal]:0
8. ReflectionMethod->invoke() /app/Application.php:45
9. Fisharebest\Webtrees\Application->dispatch() /index.php:156
   10. {closure}() /app/Module/HitCountFooterModule.php:185
   11. Fisharebest\Webtrees\Module\HitCountFooterModule->handle() /index.php:142
   12. {closure}() /app/Http/Middleware/CheckCsrf.php:64
   13. Fisharebest\Webtrees\Http\Middleware\CheckCsrf->handle() /index.php:142
   14. {closure}() /app/Http/Middleware/UseTransaction.php:43
   15. Fisharebest\Webtrees\Http\Middleware\UseTransaction->handle() /index.php:142
   16. {closure}() /app/Http/Middleware/Housekeeping.php:75
   17. Fisharebest\Webtrees\Http\Middleware\Housekeeping->handle() /index.php:142
   18. {closure}() /app/Http/Middleware/DebugBarData.php:42
   19. Fisharebest\Webtrees\Http\Middleware\DebugBarData->handle() /index.php:142
   20. {closure}() /app/Http/Middleware/BootModules.php:59
   21. Fisharebest\Webtrees\Http\Middleware\BootModules->handle() /index.php:142
   22. {closure}() /app/Http/Middleware/UseTheme.php:71
   23. Fisharebest\Webtrees\Http\Middleware\UseTheme->handle() /index.php:142
   24. {closure}() /app/Http/Middleware/UseLocale.php:52
   25. Fisharebest\Webtrees\Http\Middleware\UseLocale->handle() /index.php:142
   26. {closure}() /app/Http/Middleware/UseTree.php:58
   27. Fisharebest\Webtrees\Http\Middleware\UseTree->handle() /index.php:142
   28. {closure}() /app/Http/Middleware/UseSession.php:59
   29. Fisharebest\Webtrees\Http\Middleware\UseSession->handle() /index.php:142
   30. {closure}() /app/Http/Middleware/UseFilesystem.php:50
   31. Fisharebest\Webtrees\Http\Middleware\UseFilesystem->handle() /index.php:142
   32. {closure}() /app/Http/Middleware/CheckForMaintenanceMode.php:48
   33. Fisharebest\Webtrees\Http\Middleware\CheckForMaintenanceMode->handle() /index.php:142
   34. {closure}() /index.php:159

[magicsunday]

Thanks