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 ('623ee596f9a9aa3716886ec5b797e9d1', -1, 1714729541, 1714729541, '340e820d', -11, 0)

Line : 158
File : sessions.php