Недавнее содержимое от FerrumNST

Пробовал от 7.1 до 8.1 одна и та же ошибка

Подскажите по поводу этой ошибки: [ErrorException] E_USER_DEPRECATED Attention! The session_start function was called before the Bitrix Kernel was started. The session will be closed to avoid errors. It's strongly recommended to avoid session usage before initializing the Bitrix Kernel. (0)...