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 ('f2342d22eb5d73bb43d77a04f4ace9c8', -1, 1711722109, 1711722109, '23af7987', -8, 0, 0)

Line : 187
File : sessions.php