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 ('10f22db5571ab03d9b74c42a335c7d73', -1, 1715393552, 1715393552, '0a020003', 1, 0, 0)

Line : 187
File : sessions.php