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1/1 ErrorException in Calculation.php line 3370: Trying to access array offset on value of type null

  1. in Calculation.php line 3370
  2. at HandleExceptions->handleError() in Calculation.php line 3370
  3. at PHPExcel_Calculation->_parseFormula() in Calculation.php line 2800
  4. at PHPExcel_Calculation->_calculateFormulaValue() in Calculation.php line 2615
  5. at PHPExcel_Calculation->calculateCellValue() in Cell.php line 276
  6. at PHPExcel_Cell->getCalculatedValue() in Worksheet.php line 737
  7. at PHPExcel_Worksheet->calculateColumnWidths() in LaravelExcelWorksheet.php line 910
  8. at LaravelExcelWorksheet->setAutoSize() in LaravelExcelWriter.php line 227
  9. at LaravelExcelWriter->sheet() in ExportController.php line 29
  10. at ExportController->App\Http\Controllers\{closure}()
  11. at call_user_func() in Excel.php line 87
  12. at Excel->create() in compiled.php line 6106
  13. at Facade::__callStatic() in ExportController.php line 30
  14. at ExportController->excel()
  15. at call_user_func_array() in Route.php line 178
  16. at Route->runController() in Route.php line 137
  17. at Route->run() in Router.php line 708
  18. at Router->Illuminate\Routing\{closure}()
  19. at call_user_func() in Pipeline.php line 139
  20. at Pipeline->Illuminate\Pipeline\{closure}()
  21. at call_user_func() in Pipeline.php line 102
  22. at Pipeline->then() in Router.php line 710
  23. at Router->runRouteWithinStack() in Router.php line 674
  24. at Router->dispatchToRoute() in Router.php line 635
  25. at Router->dispatch() in compiled.php line 2310
  26. at Kernel->Illuminate\Foundation\Http\{closure}()
  27. at call_user_func() in Pipeline.php line 139
  28. at Pipeline->Illuminate\Pipeline\{closure}() in compiled.php line 2925
  29. at VerifyCsrfToken->handle()
  30. at call_user_func_array() in Pipeline.php line 124
  31. at Pipeline->Illuminate\Pipeline\{closure}() in ShareErrorsFromSession.php line 49
  32. at ShareErrorsFromSession->handle()
  33. at call_user_func_array() in Pipeline.php line 124
  34. at Pipeline->Illuminate\Pipeline\{closure}() in StartSession.php line 62
  35. at StartSession->handle()
  36. at call_user_func_array() in Pipeline.php line 124
  37. at Pipeline->Illuminate\Pipeline\{closure}() in AddQueuedCookiesToResponse.php line 37
  38. at AddQueuedCookiesToResponse->handle()
  39. at call_user_func_array() in Pipeline.php line 124
  40. at Pipeline->Illuminate\Pipeline\{closure}() in EncryptCookies.php line 59
  41. at EncryptCookies->handle()
  42. at call_user_func_array() in Pipeline.php line 124
  43. at Pipeline->Illuminate\Pipeline\{closure}() in compiled.php line 2982
  44. at CheckForMaintenanceMode->handle()
  45. at call_user_func_array() in Pipeline.php line 124
  46. at Pipeline->Illuminate\Pipeline\{closure}()
  47. at call_user_func() in Pipeline.php line 102
  48. at Pipeline->then() in compiled.php line 2257
  49. at Kernel->sendRequestThroughRouter() in compiled.php line 2240
  50. at Kernel->handle() in index.php line 50