phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './allonssortir/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 ('702603214fe2c06df8130389415a8ec9', -1, 1425266866, 1425266866, '3657b495', -12, 0, 0)

Line : 187
File : sessions.php