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 ('ed74da3e92fc8846734f9a23efdc376f', '-1', 1493325031, 1493325031, '36e10f58', -4, 0, 0)

Line : 187
File : sessions.php