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 ('f263d28808abd2229c0a136186ba1dd3', -1, 1472694419, 1472694419, '36c63ed9', -4, 0, 0)

Line : 187
File : sessions.php