phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './gomgic_clist/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 ('88c07c10871899177c24cbc3f28fce1b', -1, 1511093734, 1511093734, '36c6f674', 51, 0, 0)

Line : 187
File : sessions.php