phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kidnem998/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 ('c1edb0af4fa82b36fe4d820a047aac8c', -1, 1472027131, 1472027131, '36513b2a', -1, 0, 0)

Line : 187
File : sessions.php