phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './for_adeviq/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('5fd2f345ac7e814154abb0e7c4a26fee', -1, 1511415882, 1511415882, '36c6026e', 16, 0, 0)

Line : 187
File : sessions.php