phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_mw_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f7a0a1204d6d502d2d285815d96a38c8', -1, 1490492137, 1490492137, '369ebb76', -4, 0, 0)

Line : 187
File : sessions.php