Trying to access array offset on value of type null

Call Stack

1. in 71499f7f773af62f80e2b6e174a3b84f.phphtml line 114
2. at Error->appError() in 71499f7f773af62f80e2b6e174a3b84f.phphtml line 114
3. at include('/www/wwwroot/yx.yuan...') in File.phphtml line 59
4. at File->read() in Template.phphtml line 251
5. at Template->fetch() in Think.phphtml line 149
6. at Think->fetch() in View.phphtml line 90
7. at View->think\{closure}() in View.phphtml line 122
8. at View->getContent() in View.phphtml line 91
9. at View->fetch()
10. at call_user_func_array() in Facade.phphtml line 96
11. at Facade::__callStatic() in Error.phphtml line 91
12. at Error->index()
13. at ReflectionMethod->invokeArgs() in Container.phphtml line 342
14. at Container->invokeReflectMethod() in Controller.phphtml line 114
15. at Controller->think\route\dispatch\{closure}() in Pipeline.phphtml line 59
16. at Pipeline->think\{closure}() in Pipeline.phphtml line 65
17. at Pipeline->then() in Controller.phphtml line 116
18. at Controller->exec() in Dispatch.phphtml line 89
19. at Dispatch->run() in Route.phphtml line 760
20. at Route->think\{closure}() in Pipeline.phphtml line 59
21. at Pipeline->think\{closure}() in Pipeline.phphtml line 65
22. at Pipeline->then() in Route.phphtml line 761
23. at Route->dispatch() in Http.phphtml line 210
24. at Http->dispatchToRoute() in Http.phphtml line 200
25. at Http->think\{closure}() in Pipeline.phphtml line 59
26. at Pipeline->think\{closure}() in MultiApp.phphtml line 71
27. at MultiApp->think\app\{closure}() in Pipeline.phphtml line 59
28. at Pipeline->think\{closure}() in Pipeline.phphtml line 65
29. at Pipeline->then() in MultiApp.phphtml line 72
30. at MultiApp->handle()
31. at call_user_func() in Middleware.phphtml line 142
32. at Middleware->think\{closure}() in Pipeline.phphtml line 84
33. at Pipeline->think\{closure}() in SessionInit.phphtml line 67
34. at SessionInit->handle()
35. at call_user_func() in Middleware.phphtml line 142
36. at Middleware->think\{closure}() in Pipeline.phphtml line 84
37. at Pipeline->think\{closure}() in Pipeline.phphtml line 65
38. at Pipeline->then() in Http.phphtml line 201
39. at Http->runWithRequest() in Http.phphtml line 162
40. at Http->run() in index.phphtml line 25