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 ('0b2ece05a0ce7cbee266b9b0cc8a3199', -1, 1490414695, 1490414695, '36a66b33', 2, 0, 0)

Line : 187
File : sessions.php