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 ('64ec8dd45b64a0cd9fecb5a9b2d4df12', -1, 1466824760, 1466824760, '6b161647', -1, 0, 0)

Line : 187
File : sessions.php