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1/1 ErrorException in CollectionController.php line 46: Trying to get property 'notParentItems' of non-object

  1. in CollectionController.php line 46
  2. at HandleExceptions->handleError() in CollectionController.php line 46
  3. at CollectionController->setItems() in CollectionController.php line 19
  4. at CollectionController->__construct()
  5. at ReflectionClass->newInstanceArgs() in Container.php line 714
  6. at Container->build() in Container.php line 565
  7. at Container->make() in Application.php line 702
  8. at Application->make() in Route.php line 217
  9. at Route->getController() in Route.php line 726
  10. at Route->controllerMiddleware() in Route.php line 687
  11. at Route->gatherMiddleware() in Router.php line 572
  12. at Router->gatherRouteMiddleware() in Router.php line 552
  13. at Router->runRouteWithinStack() in Router.php line 520
  14. at Router->dispatchToRoute() in Router.php line 498
  15. at Router->dispatch() in Kernel.php line 174
  16. at Kernel->Illuminate\Foundation\Http\{closure}() in Pipeline.php line 30
  17. at Pipeline->Illuminate\Routing\{closure}() in TransformsRequest.php line 30
  18. at TransformsRequest->handle() in Pipeline.php line 148
  19. at Pipeline->Illuminate\Pipeline\{closure}() in Pipeline.php line 53
  20. at Pipeline->Illuminate\Routing\{closure}() in TransformsRequest.php line 30
  21. at TransformsRequest->handle() in Pipeline.php line 148
  22. at Pipeline->Illuminate\Pipeline\{closure}() in Pipeline.php line 53
  23. at Pipeline->Illuminate\Routing\{closure}() in ValidatePostSize.php line 27
  24. at ValidatePostSize->handle() in Pipeline.php line 148
  25. at Pipeline->Illuminate\Pipeline\{closure}() in Pipeline.php line 53
  26. at Pipeline->Illuminate\Routing\{closure}() in CheckForMaintenanceMode.php line 46
  27. at CheckForMaintenanceMode->handle() in Pipeline.php line 148
  28. at Pipeline->Illuminate\Pipeline\{closure}() in Pipeline.php line 53
  29. at Pipeline->Illuminate\Routing\{closure}() in Pipeline.php line 102
  30. at Pipeline->then() in Kernel.php line 149
  31. at Kernel->sendRequestThroughRouter() in Kernel.php line 116
  32. at Kernel->handle() in index.php line 56