phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1194 Table '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) VALUES ('22e03eb7a3a5c50c430e6b2970e32938', -1, 1435960750, 1435960750, '369030fc', -1, 0)

Line : 158
File : sessions.php