Fatal error: Uncaught Error: Class "Psr\Log\AbstractLogger" not found in D:\ktt\ttepla.com\public_html\bitrix\modules\calendar\lib\sync\util\requestlogger.php:11
Stack trace:
#0 {main}
thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\calendar\lib\sync\util\requestlogger.php on line 11