Call to a member function toArray() on null

Call Stack

1. in Recommend.php line 79
2. at Recommend::getRecommendList(18, 19) in Base.php line 81
3. at Base->_getNews() in Base.php line 20
4. at Base->initialize() in BaseController.php line 50
5. at BaseController->__construct(object(App))
6. at ReflectionClass->newInstanceArgs([object(App)]) in Container.php line 394
7. at Container->invokeClass('app\index\controller...', []) in Container.php line 251
8. at Container->make('app\index\controller...', [], true) in Controller.php line 176
9. at Controller->controller('Sentence') in Controller.php line 74
10. at Controller->exec() in Dispatch.php line 89
11. at Dispatch->run() in Route.php line 772
12. at Route->think\{closure}(object(Request)) in Pipeline.php line 59
13. at Pipeline->think\{closure}(object(Request)) in Pipeline.php line 66
14. at Pipeline->then(object(Closure)) in Route.php line 773
15. at Route->dispatch(object(Request), object(Closure)) in Http.php line 216
16. at Http->dispatchToRoute(object(Request)) in Http.php line 206
17. at Http->think\{closure}(object(Request)) in Pipeline.php line 59
18. at Pipeline->think\{closure}(object(Request)) in MultiApp.php line 71
19. at MultiApp->think\app\{closure}(object(Request)) in Pipeline.php line 59
20. at Pipeline->think\{closure}(object(Request)) in Pipeline.php line 66
21. at Pipeline->then(object(Closure)) in MultiApp.php line 72
22. at MultiApp->handle(object(Request), object(Closure))
23. at call_user_func([object(MultiApp), 'handle'], object(Request), object(Closure)) in Middleware.php line 142
24. at Middleware->think\{closure}(object(Request), object(Closure)) in Pipeline.php line 85
25. at Pipeline->think\{closure}(object(Request)) in SessionInit.php line 67
26. at SessionInit->handle(object(Request), object(Closure))
27. at call_user_func([object(SessionInit), 'handle'], object(Request), object(Closure)) in Middleware.php line 142
28. at Middleware->think\{closure}(object(Request), object(Closure)) in Pipeline.php line 85
29. at Pipeline->think\{closure}(object(Request)) in CheckRequestCache.php line 94
30. at CheckRequestCache->handle(object(Request), object(Closure))
31. at call_user_func([object(CheckRequestCache), 'handle'], object(Request), object(Closure)) in Middleware.php line 142
32. at Middleware->think\{closure}(object(Request), object(Closure)) in Pipeline.php line 85
33. at Pipeline->think\{closure}(object(Request)) in TraceDebug.php line 71
34. at TraceDebug->handle(object(Request), object(Closure))
35. at call_user_func([object(TraceDebug), 'handle'], object(Request), object(Closure)) in Middleware.php line 142
36. at Middleware->think\{closure}(object(Request), object(Closure)) in Pipeline.php line 85
37. at Pipeline->think\{closure}(object(Request)) in Pipeline.php line 66
38. at Pipeline->then(object(Closure)) in Http.php line 207
39. at Http->runWithRequest(object(Request)) in Http.php line 170
40. at Http->run() in index.php line 20