phpBB :

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 ('a878e8b83f7b9dca8fe2d9e2b9d4fd5e', -1, 1739336956, 1739336956, '12610e51', -4, 0, 0)

Line : 187
File : sessions.php