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 ('8522e2de905844adf6d0d036351f0278', -1, 1714067465, 1714067465, '0a020003', -9, 0, 0)

Line : 187
File : sessions.php