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 ('3842ad22c008cfc5c4c2a5a0d1910934', -1, 1493283493, 1493283493, '6b161ee7', -4, 0, 0)

Line : 187
File : sessions.php