phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './newklub31/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 ('43f78dc716a472bd5a825bd68c45f7cc', '-1', 1493325109, 1493325109, '36e10f58', -4, 0, 0)

Line : 187
File : sessions.php