phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './norman_bdd1/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 ('71b5314db9a52f02c00b18cf840973af', -1, 1427862671, 1427862671, '36d3c0df', -1, 0, 0)

Line : 172
File : sessions.php