phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './tripleac_Forum/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 ('79369b36c0d4d7d9f5c1c5349dbf5bca', -1, 1414789852, 1414789852, '36a7b16f', -1, 0, 0)

Line : 187
File : sessions.php