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 ('4b260c9c4c5f5dd63d0601299eb90c43', -1, 1713493124, 1713493124, '127425e4', 5, 0, 0)

Line : 187
File : sessions.php