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 ('07ad8f6fb5d0b08a13eb46e94f5747f6', -1, 1414766940, 1414766940, '3651a6c7', 29, 0, 0)

Line : 191
File : sessions.php