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 ('8b6a9b81a969a588671bb13655033d1c', -1, 1412077704, 1412077704, '36e359ec', -212, 0, 0)

Line : 191
File : sessions.php