phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './soocool2_db/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 ('f9669f70ee51f1b74f4276e2a70334f4', -1, 1455360238, 1455360238, '36a3d0f9', 6, 0, 0)

Line : 187
File : sessions.php