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 ('1e68a84139b1d4941337b91178246485', -1, 1714005323, 1714005323, '12bd0edb', -11, 0, 0)

Line : 187
File : sessions.php