Illuminate\Database\QueryException: SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails (`defenders_smile_db`.`contract_logs`, CONSTRAINT `contract_logs_user_id_foreign` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE SET NULL) (Connection: mysql, SQL: insert into `contract_logs` (`contract_id`, `user_id`, `action`, `notes`, `updated_at`, `created_at`) values (3, 2, deleted, Deleted via create_and_delete_contract script, 2025-11-06 16:25:33, 2025-11-06 16:25:33)) in file /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 829 #0 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/Connection.php(783): Illuminate\Database\Connection->runQueryCallback('insert into `co...', Array, Object(Closure)) #1 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/MySqlConnection.php(34): Illuminate\Database\Connection->run('insert into `co...', Array, Object(Closure)) #2 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/Query/Processors/MySqlProcessor.php(35): Illuminate\Database\MySqlConnection->insert('insert into `co...', Array, 'id') #3 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3549): Illuminate\Database\Query\Processors\MySqlProcessor->processInsertGetId(Object(Illuminate\Database\Query\Builder), 'insert into `co...', Array, 'id') #4 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(1982): Illuminate\Database\Query\Builder->insertGetId(Array, 'id') #5 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(1334): Illuminate\Database\Eloquent\Builder->__call('insertGetId', Array) #6 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(1299): Illuminate\Database\Eloquent\Model->insertAndSetId(Object(Illuminate\Database\Eloquent\Builder), Array) #7 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(1138): Illuminate\Database\Eloquent\Model->performInsert(Object(Illuminate\Database\Eloquent\Builder)) #8 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(1025): Illuminate\Database\Eloquent\Model->save() #9 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Support/helpers.php(320): Illuminate\Database\Eloquent\Builder->Illuminate\Database\Eloquent\{closure}(Object(App\Models\ContractLog)) #10 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(1024): tap(Object(App\Models\ContractLog), Object(Closure)) #11 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Support/Traits/ForwardsCalls.php(23): Illuminate\Database\Eloquent\Builder->create(Array) #12 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(2335): Illuminate\Database\Eloquent\Model->forwardCallTo(Object(Illuminate\Database\Eloquent\Builder), 'create', Array) #13 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(2347): Illuminate\Database\Eloquent\Model->__call('create', Array) #14 /home/defenders/public_html/0255_projects/smile_hr_sys/scripts/create_and_delete_contract.php(25): Illuminate\Database\Eloquent\Model::__callStatic('create', Array) #15 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/Concerns/ManagesTransactions.php(30): {closure}(Object(Illuminate\Database\MySqlConnection)) #16 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Database/DatabaseManager.php(509): Illuminate\Database\Connection->transaction(Object(Closure)) #17 /home/defenders/public_html/0255_projects/smile_hr_sys/vendor/laravel/framework/src/Illuminate/Support/Facades/Facade.php(355): Illuminate\Database\DatabaseManager->__call('transaction', Array) #18 /home/defenders/public_html/0255_projects/smile_hr_sys/scripts/create_and_delete_contract.php(24): Illuminate\Support\Facades\Facade::__callStatic('transaction', Array) #19 {main}