[2021-06-20 05:18:05] local.ERROR: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'email' cannot be null (SQL: insert into `users` (`first_name`, `last_name`, `role`, `email`, `password`, `api_token`, `concentration_study_id`, `entry_year`, `updated_at`, `created_at`) values (?, ?, ?, ?, $2y$10$ZJdbxZj2zShuxcSGta17oO5/RK8fMi.eHoA51YbM73TF9kkEg.u0i, xlxUitiI25I2vzdikTPaqx3AN1LuvkgDFv8EVfGzEVRAkffUwnTVrgd3grtA, ?, ?, 2021-06-20 05:18:05, 2021-06-20 05:18:05)) {"exception":"[object] (Illuminate\\Database\\QueryException(code: 23000): SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'email' cannot be null (SQL: insert into `users` (`first_name`, `last_name`, `role`, `email`, `password`, `api_token`, `concentration_study_id`, `entry_year`, `updated_at`, `created_at`) values (?, ?, ?, ?, $2y$10$ZJdbxZj2zShuxcSGta17oO5/RK8fMi.eHoA51YbM73TF9kkEg.u0i, xlxUitiI25I2vzdikTPaqx3AN1LuvkgDFv8EVfGzEVRAkffUwnTVrgd3grtA, ?, ?, 2021-06-20 05:18:05, 2021-06-20 05:18:05)) at /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Connection.php:669)
[stacktrace]
#0 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Connection.php(629): Illuminate\\Database\\Connection->runQueryCallback()
#1 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Connection.php(464): Illuminate\\Database\\Connection->run()
#2 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Connection.php(416): Illuminate\\Database\\Connection->statement()
#3 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Query/Processors/Processor.php(32): Illuminate\\Database\\Connection->insert()
#4 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2705): Illuminate\\Database\\Query\\Processors\\Processor->processInsertGetId()
#5 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(1385): Illuminate\\Database\\Query\\Builder->insertGetId()
#6 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(840): Illuminate\\Database\\Eloquent\\Builder->__call()
#7 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(805): Illuminate\\Database\\Eloquent\\Model->insertAndSetId()
#8 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(668): Illuminate\\Database\\Eloquent\\Model->performInsert()
#9 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(774): Illuminate\\Database\\Eloquent\\Model->save()
#10 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Support/helpers.php(422): Illuminate\\Database\\Eloquent\\Builder->Illuminate\\Database\\Eloquent\\{closure}()
#11 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(775): tap()
#12 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Support/Traits/ForwardsCalls.php(23): Illuminate\\Database\\Eloquent\\Builder->create()
#13 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(1622): Illuminate\\Database\\Eloquent\\Model->forwardCallTo()
#14 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(1634): Illuminate\\Database\\Eloquent\\Model->__call()
#15 /home/vagrant/code/hkbu_api/app/Http/Controllers/Api/UserController.php(33): Illuminate\\Database\\Eloquent\\Model::__callStatic()
#16 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Controller.php(54): App\\Http\\Controllers\\Api\\UserController->createUser()
#17 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php(45): Illuminate\\Routing\\Controller->callAction()
#18 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Route.php(219): Illuminate\\Routing\\ControllerDispatcher->dispatch()
#19 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Route.php(176): Illuminate\\Routing\\Route->runController()
#20 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Router.php(681): Illuminate\\Routing\\Route->run()
#21 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(130): Illuminate\\Routing\\Router->Illuminate\\Routing\\{closure}()
#22 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(105): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#23 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Router.php(683): Illuminate\\Pipeline\\Pipeline->then()
#24 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Router.php(658): Illuminate\\Routing\\Router->runRouteWithinStack()
#25 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Router.php(624): Illuminate\\Routing\\Router->runRoute()
#26 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Router.php(613): Illuminate\\Routing\\Router->dispatchToRoute()
#27 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(170): Illuminate\\Routing\\Router->dispatch()
#28 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(130): Illuminate\\Foundation\\Http\\Kernel->Illuminate\\Foundation\\Http\\{closure}()
#29 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#30 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(171): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle()
#31 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#32 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(171): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle()
#33 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php(27): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#34 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(171): Illuminate\\Foundation\\Http\\Middleware\\ValidatePostSize->handle()
#35 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/CheckForMaintenanceMode.php(63): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#36 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(171): Illuminate\\Foundation\\Http\\Middleware\\CheckForMaintenanceMode->handle()
#37 /home/vagrant/code/hkbu_api/vendor/fideloper/proxy/src/TrustProxies.php(57): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#38 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(171): Fideloper\\Proxy\\TrustProxies->handle()
#39 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(105): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#40 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(145): Illuminate\\Pipeline\\Pipeline->then()
#41 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(110): Illuminate\\Foundation\\Http\\Kernel->sendRequestThroughRouter()
#42 /home/vagrant/code/hkbu_api/public/index.php(55): Illuminate\\Foundation\\Http\\Kernel->handle()
#43 {main}

[previous exception] [object] (PDOException(code: 23000): SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'email' cannot be null at /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Connection.php:463)
[stacktrace]
#0 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Connection.php(463): PDOStatement->execute()
#1 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Connection.php(662): Illuminate\\Database\\Connection->Illuminate\\Database\\{closure}()
#2 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Connection.php(629): Illuminate\\Database\\Connection->runQueryCallback()
#3 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Connection.php(464): Illuminate\\Database\\Connection->run()
#4 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Connection.php(416): Illuminate\\Database\\Connection->statement()
#5 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Query/Processors/Processor.php(32): Illuminate\\Database\\Connection->insert()
#6 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2705): Illuminate\\Database\\Query\\Processors\\Processor->processInsertGetId()
#7 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(1385): Illuminate\\Database\\Query\\Builder->insertGetId()
#8 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(840): Illuminate\\Database\\Eloquent\\Builder->__call()
#9 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(805): Illuminate\\Database\\Eloquent\\Model->insertAndSetId()
#10 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(668): Illuminate\\Database\\Eloquent\\Model->performInsert()
#11 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(774): Illuminate\\Database\\Eloquent\\Model->save()
#12 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Support/helpers.php(422): Illuminate\\Database\\Eloquent\\Builder->Illuminate\\Database\\Eloquent\\{closure}()
#13 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(775): tap()
#14 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Support/Traits/ForwardsCalls.php(23): Illuminate\\Database\\Eloquent\\Builder->create()
#15 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(1622): Illuminate\\Database\\Eloquent\\Model->forwardCallTo()
#16 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(1634): Illuminate\\Database\\Eloquent\\Model->__call()
#17 /home/vagrant/code/hkbu_api/app/Http/Controllers/Api/UserController.php(33): Illuminate\\Database\\Eloquent\\Model::__callStatic()
#18 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Controller.php(54): App\\Http\\Controllers\\Api\\UserController->createUser()
#19 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php(45): Illuminate\\Routing\\Controller->callAction()
#20 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Route.php(219): Illuminate\\Routing\\ControllerDispatcher->dispatch()
#21 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Route.php(176): Illuminate\\Routing\\Route->runController()
#22 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Router.php(681): Illuminate\\Routing\\Route->run()
#23 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(130): Illuminate\\Routing\\Router->Illuminate\\Routing\\{closure}()
#24 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(105): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#25 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Router.php(683): Illuminate\\Pipeline\\Pipeline->then()
#26 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Router.php(658): Illuminate\\Routing\\Router->runRouteWithinStack()
#27 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Router.php(624): Illuminate\\Routing\\Router->runRoute()
#28 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Routing/Router.php(613): Illuminate\\Routing\\Router->dispatchToRoute()
#29 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(170): Illuminate\\Routing\\Router->dispatch()
#30 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(130): Illuminate\\Foundation\\Http\\Kernel->Illuminate\\Foundation\\Http\\{closure}()
#31 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#32 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(171): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle()
#33 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#34 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(171): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle()
#35 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php(27): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#36 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(171): Illuminate\\Foundation\\Http\\Middleware\\ValidatePostSize->handle()
#37 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/CheckForMaintenanceMode.php(63): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#38 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(171): Illuminate\\Foundation\\Http\\Middleware\\CheckForMaintenanceMode->handle()
#39 /home/vagrant/code/hkbu_api/vendor/fideloper/proxy/src/TrustProxies.php(57): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#40 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(171): Fideloper\\Proxy\\TrustProxies->handle()
#41 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(105): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#42 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(145): Illuminate\\Pipeline\\Pipeline->then()
#43 /home/vagrant/code/hkbu_api/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(110): Illuminate\\Foundation\\Http\\Kernel->sendRequestThroughRouter()
#44 /home/vagrant/code/hkbu_api/public/index.php(55): Illuminate\\Foundation\\Http\\Kernel->handle()
#45 {main}
"}