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 ('d04200439b9d36132cef3ece561f8bcc', -1, 1713569544, 1713569544, '12dd6247', 3, 0, 0)

Line : 187
File : sessions.php