phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './ultimate/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 ('0c6c8f7392f4e5f5f2f60a0bc0cf7feb', -1, 1555636144, 1555636144, '365b79ff', 0, 0, 0)

Line : 187
File : sessions.php