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 ('2a7690440b5620001e17fa9dad45f51b', -1, 1425487463, 1425487463, '36a7b651', -1, 0, 0)

Line : 187
File : sessions.php