phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './mopo_phpbb1/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 ('e3cb02f44e62c9ba202db968cb0a21fa', -1, 1409692639, 1409692639, '365acd3d', 15, 0, 0)

Line : 191
File : sessions.php