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 ('fcb643f4f77c2d12db94b4da45aca6d4', -1, 1513484545, 1513484545, '36932899', -8, 0, 0)

Line : 187
File : sessions.php