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 ('23ca6e5f5d600a6a0a8ab229779808c1', -1, 1409180331, 1409180331, '36d38ab4', 6, 0, 0)

Line : 191
File : sessions.php