1. [2018-07-06 09:12:25] production.ERROR: Symfony\Component\Debug\Exception\FatalThrowableError: Unsupported operand t[37/1560]
2. opt/librenms/html/includes/functions.inc.php:861                            
3. Stack trace:                                                                                                                
4. #0 /opt/librenms/html/pages/device/edit/device.inc.php(272): foldersize('/opt/librenms/r...')
5. #1 /opt/librenms/html/pages/device/edit.inc.php(80): require('/opt/librenms/h...')                                          
6. #2 /opt/librenms/html/pages/device.inc.php(488): require('/opt/librenms/h...')
7. #3 /opt/librenms/html/legacy_index.php(219): require('/opt/librenms/h...')                                                  
8. #4 /opt/librenms/app/Http/Controllers/LegacyController.php(10): include('/opt/librenms/h...')
9. #5 [internal function]: App\Http\Controllers\LegacyController->index('device/device=1...')                                  
10. #6 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Controller.php(55): call_user_func_array(Array, Array)
11. #7 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php(44): Illuminate\Routing\Controller-
12. >callAction('index', Array)                        
13. #8 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Route.php(203): Illuminate\Routing\ControllerDispatcher->dis
14. patch(Object(Illuminate\Routing\Route), Object(App\Http\Controllers\LegacyController), 'index')
15. #9 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Route.php(160): Illuminate\Routing\Route->runController()  
16. #10 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(572): Illuminate\Routing\Route->run()
17. #11 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\Routing\Router->Illuminate\Rou
18. ting\{closure}(Object(Illuminate\Http\Request))    
19. #12 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php(41): Illuminate\Routing\P
20. ipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))            
21. #13 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Routing\Middleware\Substitut
22. eBindings->handle(Object(Illuminate\Http\Request), Object(Closure))            
23. #14 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\
24. Pipeline\{closure}(Object(Illuminate\Http\Request))
25. #15 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php(65): Illuminate\Rout
26. ing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
27. #16 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Foundation\Http\Middleware\V
28. erifyCsrfToken->handle(Object(Illuminate\Http\Request), Object(Closure))
29. #17 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate$
30. Pipeline\{closure}(Object(Illuminate\Http\Request))      
31. #18 /opt/librenms/vendor/laravel/framework/src/Illuminate/Session/Middleware/AuthenticateSession.php(39): Illuminate\Routing$
32. Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
33. #19 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Session\Middleware\Authenti$
34. ateSession->handle(Object(Illuminate\Http\Request), Object(Closure))          
35. #20 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate$
36. Pipeline\{closure}(Object(Illuminate\Http\Request))                            
37. #21 /opt/librenms/vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php(49): Illuminate\Routing$
38. Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))        
39. #22 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\View\Middleware\ShareErrorsF
40. romSession->handle(Object(Illuminate\Http\Request), Object(Closure))
41. #23 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\
42. Pipeline\{closure}(Object(Illuminate\Http\Request))
43. #24 /opt/librenms/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(64): Illuminate\Routing\Pipelin
44. e->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
45. #25 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Session\Middleware\StartSess
46. ion->handle(Object(Illuminate\Http\Request), Object(Closure))
47. #26 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\
48. Pipeline\{closure}(Object(Illuminate\Http\Request))
49. #27 /opt/librenms/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php(37): Illuminate\Ro
50. uting\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
51. #28 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Cookie\Middleware\AddQueuedC
52. ookiesToResponse->handle(Object(Illuminate\Http\Request), Object(Closure))
53. #29 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\
54. Pipeline\{closure}(Object(Illuminate\Http\Request))
55. #30 /opt/librenms/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php(59): Illuminate\Routing\Pipeli
56. ne->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
57. #31 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Cookie\Middleware\EncryptCoo
58. kies->handle(Object(Illuminate\Http\Request), Object(Closure))
59. #32 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\
60. Pipeline\{closure}(Object(Illuminate\Http\Request))
61. #33 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(102): Illuminate\Routing\Pipeline->Illuminate
62. \Routing\{closure}(Object(Illuminate\Http\Request))
63. #34 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(574): Illuminate\Pipeline\Pipeline->then(Object(
64. Closure))
65. #35 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(533): Illuminate\Routing\Router->runRouteWithinS
66. tack(Object(Illuminate\Routing\Route), Object(Illuminate\Http\Request))
67. #36 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(511): Illuminate\Routing\Router->dispatchToRoute
68. (Object(Illuminate\Http\Request))
69. #37 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(176): Illuminate\Routing\Router->dispatc
70. h(Object(Illuminate\Http\Request))
71. #38 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\Foundation\Http\Kernel->Illumi
72. nate\Foundation\Http\{closure}(Object(Illuminate\Http\Request))
73. #39 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(30): Illuminate\Ro
74. uting\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
75. #40 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Foundation\Http\Middleware\T
76. ransformsRequest->handle(Object(Illuminate\Http\Request), Object(Closure))                                                  
77. #41 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\
78. Pipeline\{closure}(Object(Illuminate\Http\Request))                                                                          
79. #42 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(30): Illuminate\Ro
80. uting\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))                                                
81. #43 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Foundation\Http\Middleware\T
82. ransformsRequest->handle(Object(Illuminate\Http\Request), Object(Closure))                                                  
83. #44 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\
84. Pipeline\{closure}(Object(Illuminate\Http\Request))                                                                          
85. #45 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php(27): Illuminate\Rou
86. ting\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))                                                
87. #46 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Foundation\Http\Middleware\V
88. alidatePostSize->handle(Object(Illuminate\Http\Request), Object(Closure))                                                    
89. #47 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\
90. Pipeline\{closure}(Object(Illuminate\Http\Request))                                                                          
91. #48 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/CheckForMaintenanceMode.php(46): Illumin
92. ate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))                                          
93. #49 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Foundation\Http\Middleware\C
94. heckForMaintenanceMode->handle(Object(Illuminate\Http\Request), Object(Closure))                                            
95. #50 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\
96. Pipeline\{closure}(Object(Illuminate\Http\Request))                                                                          
97. #51 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(102): Illuminate\Routing\Pipeline->Illuminate
98. \Routing\{closure}(Object(Illuminate\Http\Request))                                                                          
99. #52 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(151): Illuminate\Pipeline\Pipeline->then
100. (Object(Closure))                                                                                                            
101. #53 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(116): Illuminate\Foundation\Http\Kernel-
102. >sendRequestThroughRouter(Object(Illuminate\Http\Request))                                                                  
103. #54 /opt/librenms/html/index.php(53): Illuminate\Foundation\Http\Kernel->handle(Object(Illuminate\Http\Request))
104. #55 {main}            
105.