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 ('3f6099f1a4f6eb54da34e3e9e4337c4e', -1, 1490548013, 1490548013, '36c54a89', 2, 0, 0)

Line : 187
File : sessions.php