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 ('8ffb62885a5d3aa237776d4845c99704', -1, 1714009520, 1714009520, '12bdb4f4', -1, 0, 0)

Line : 187
File : sessions.php