yii\base\ErrorException: Undefined variable $start in /var/www/tracktraf.online/frontend/controllers/TelegramController.php:197 Stack trace: #0 /var/www/tracktraf.online/frontend/controllers/TelegramController.php(197): yii\base\ErrorHandler->handleError() #1 [internal function]: frontend\controllers\TelegramController->actionRotatorCheck() #2 /var/www/tracktraf.online/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array() #3 /var/www/tracktraf.online/vendor/yiisoft/yii2/base/Controller.php(178): yii\base\InlineAction->runWithParams() #4 /var/www/tracktraf.online/vendor/yiisoft/yii2/base/Module.php(552): yii\base\Controller->runAction() #5 /var/www/tracktraf.online/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction() #6 /var/www/tracktraf.online/vendor/yiisoft/yii2/base/Application.php(384): yii\web\Application->handleRequest() #7 /var/www/tracktraf.online/frontend/web/index.php(18): yii\base\Application->run() #8 {main}