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 ('3a9c4c8e99a9d1c83b95fcb9b0421012', -1, 1462014932, 1462014932, '36c4b130', -1, 0, 0)

Line : 187
File : sessions.php