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 ('efd86d2b6ee830c826c5475d43898050', -1, 1462430393, 1462430393, '36c4b130', -1, 0, 0)

Line : 187
File : sessions.php