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 ('6d2205a8500df8a0a80aec9ae2af0fd4', -1, 1490527103, 1490527103, '36a67bf7', 33, 0, 0)

Line : 187
File : sessions.php