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, session_admin) VALUES ('00f536bd7504af07c57b9c0a2f749a94', -1, 1714001821, 1714001821, '0d3bf3c2', 5, 0, 0)

Line : 187
File : sessions.php