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 ('a7c8f443d11cfd0eb20338a09625a4ae', -1, 1438510632, 1438510632, '365aa662', -4, 0, 0)

Line : 187
File : sessions.php