Only arrays and Traversables can be unpacked

Call Stack

1. in common.php line 389
2. at setCurLangForAssociation() in ArticleController.php line 63
3. at ArticleController->getInfo()
4. at ReflectionMethod->invokeArgs() in Container.php line 345
5. at Container->invokeReflectMethod() in Controller.php line 110
6. at Controller->think\route\dispatch\{closure}() in Pipeline.php line 59
7. at Pipeline->think\{closure}() in Pipeline.php line 66
8. at Pipeline->then() in Controller.php line 113
9. at Controller->exec() in Dispatch.php line 52
10. at Dispatch->run() in Route.php line 755
11. at Route->think\{closure}() in Pipeline.php line 59
12. at Pipeline->think\{closure}() in Pipeline.php line 66
13. at Pipeline->then() in Route.php line 756
14. at Route->dispatch() in Http.php line 208
15. at Http->dispatchToRoute() in Http.php line 198
16. at Http->think\{closure}() in Pipeline.php line 59
17. at Pipeline->think\{closure}() in MultiApp.php line 51
18. at MultiApp->think\app\{closure}() in Pipeline.php line 59
19. at Pipeline->think\{closure}() in SessionInit.php line 58
20. at SessionInit->handle()
21. at call_user_func() in Middleware.php line 134
22. at Middleware->think\{closure}() in Pipeline.php line 85
23. at Pipeline->think\{closure}() in LoadLangPack.php line 53
24. at LoadLangPack->handle()
25. at call_user_func() in Middleware.php line 134
26. at Middleware->think\{closure}() in Pipeline.php line 85
27. at Pipeline->think\{closure}() in Pipeline.php line 66
28. at Pipeline->then() in MultiApp.php line 52
29. at MultiApp->handle()
30. at call_user_func() in Middleware.php line 134
31. at Middleware->think\{closure}() in Pipeline.php line 85
32. at Pipeline->think\{closure}() in Pipeline.php line 66
33. at Pipeline->then() in Http.php line 199
34. at Http->runWithRequest() in Http.php line 162
35. at Http->run() in api.php line 29