在laravel 5.6.4中运行任务计划。
我无法识别错误，
堆栈跟踪：
0 /mnt/hosting/dev/projects/projects/vendor/laravel/framework/src/Illuminate/Database/Connection.php(474): PDOStatement->execute()
1 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Database/Connection.php(640): Illuminate\Database\Connection->Illuminate\Database\{closure}('update `stock_t...', Array)
2 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Database/Connection.php(607): Illuminate\Database\Connection->runQueryCallback('update `stock_t...', Array, Object(Closure))
3 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Database/Connection.php(477): Illuminate\Database\Connection->run('update `stock_t...', Array, Object(Closure))
4 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Database/Connection.php(416): Illuminate\Database\Connection->affectingStatement('update `stock_t...', Array)
5 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2147): Illuminate\Database\Connection->update('update `stock_t...', Array)
6 /mnt/hosting/dev/projects/prorject/app/Http/Controllers/Sale/SaleRepository.php(703): Illuminate\Database\Query\Builder->update(Array)
7 /mnt/hosting/dev/projects/prorject/app/Http/Controllers/Sale/SaleController.php(52): App\Http\Controllers\Sale\SaleRepository->sync(Object(Illuminate\Http\Request))
8 [internal function]: App\controllerpath->sync(Object(Illuminate\Http\Request))
9 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(29): call_user_func_array(Array, Array)
10 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(87): Illuminate\Container\BoundMethod::Illuminate\Container\{closure}()
11 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(31): Illuminate\Container\BoundMethod::callBoundMethod(Object(Illuminate\Foundation\Application), Array, Object(Closure))
12 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(60): Illuminate\Container\BoundMethod::call(Object(Illuminate\Foundation\Application), Array, Array)
13 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(24): Illuminate\Container\BoundMethod::callClass(Object(Illuminate\Foundation\Application), 'App\\Http\\Contro...', Array, NULL)
14 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Container/Container.php(539): Illuminate\Container\BoundMethod::call(Object(Illuminate\Foundation\Application), 'App\\Http\\Contro...', Array, NULL)
15 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Console/Scheduling/CallbackEvent.php(68): Illuminate\Container\Container->call('App\\Http\\Contro...', Array)
16 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Console/Scheduling/ScheduleRunCommand.php(59): Illuminate\Console\Scheduling\CallbackEvent->run(Object(Illuminate\Foundation\Application))
17 [internal function]: Illuminate\Console\Scheduling\ScheduleRunCommand->fire()
18 /mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(29): call_user_func_array(Array, Array)
19mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(87): Illuminate\Container\BoundMethod::Illuminate\Container\{closure}()
20/mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(31): Illuminate\Container\BoundMethod::callBoundMethod(Object(Illuminate\Foundation\Application), Array, Object(Closure))
21/mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Container/Container.php(539): Illuminate\Container\BoundMethod::call(Object(Illuminate\Foundation\Application), Array, Array, NULL)
22/mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Console/Command.php(182): Illuminate\Container\Container->call(Array)
23/mnt/hosting/dev/projects/prorject/vendor/symfony/console/Command/Command.php(255): Illuminate\Console\Command->execute(Object(Symfony\Component\Console\Input\ArgvInput), Object(Illuminate\Console\OutputStyle))
24/mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate/Console/Command.php(167): Symfony\Component\Console\Command\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Illuminate\Console\OutputStyle))
25/mnt/hosting/dev/projects/prorject/vendor/symfony/console/Application.php(953): Illuminate\Console\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
26/mnt/hosting/dev/projects/prorject/vendor/symfony/console/Application.php(248): Symfony\Component\Console\Application->doRunCommand(Object(Illuminate\Console\Scheduling\ScheduleRunCommand), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
27/mnt/hosting/dev/projects/prorject/vendor/symfony/console/Application.php(148): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
28/mnt/hosting/dev/projects/prorject/vendor/laravel/framework/src/Illuminate
/Foundation/Console/Kernel.php（122）：Symfony \ Component \ Console \ Application-> run（Object（Symfony \ Component \ Console \ Input \ ArgvInput），Object（Symfony \ Component \ Console \ Output \ ConsoleOutput ）） 29 / mnt / hosting / dev / projects / prorject / artisan（35）：Illuminate \ Foundation \ Console \ Kernel-> handle（Object（Symfony \ Component \ Console \ Input \ ArgvInput），Object（Symfony \ Component \ Console \ Output \） \ ConsoleOutput））