phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('68060924d9354f559c0753c7cc6e0c0e', -1, 1714215483, 1714215483, '03858d06', 23, 0)

Line : 158
File : sessions.php