Undefined index: USD
#0 /var/www/da-info.pro/frontend/modules/currency/views/default/_currency_chart.php(180): yii\base\ErrorHandler->handleError() #1 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(347): require('/var/www/da-inf...') #2 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(257): yii\base\View->renderPhpFile() #3 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(156): yii\base\View->renderFile() #4 /var/www/da-info.pro/frontend/modules/currency/views/default/_all_charts.php(2): yii\base\View->render() #5 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(347): require('/var/www/da-inf...') #6 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(257): yii\base\View->renderPhpFile() #7 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(156): yii\base\View->renderFile() #8 /var/www/da-info.pro/frontend/modules/currency/views/default/all.php(45): yii\base\View->render() #9 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(347): require('/var/www/da-inf...') #10 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(257): yii\base\View->renderPhpFile() #11 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(156): yii\base\View->renderFile() #12 /var/www/da-info.pro/vendor/yiisoft/yii2/base/Controller.php(407): yii\base\View->render() #13 /var/www/da-info.pro/frontend/modules/currency/controllers/DefaultController.php(333): yii\base\Controller->render() #14 [internal function]: frontend\modules\currency\controllers\DefaultController->actionAll() #15 /var/www/da-info.pro/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array() #16 /var/www/da-info.pro/vendor/yiisoft/yii2/base/Controller.php(178): yii\base\InlineAction->runWithParams() #17 /var/www/da-info.pro/vendor/yiisoft/yii2/base/Module.php(552): yii\base\Controller->runAction() #18 /var/www/da-info.pro/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction() #19 /var/www/da-info.pro/vendor/yiisoft/yii2/base/Application.php(384): yii\web\Application->handleRequest() #20 /var/www/da-info.pro/frontend/web/index.php(20): yii\base\Application->run() #21 {main}An internal server error occurred.