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 ('b988c7258de1e69c6207a202e0a92a2c', -1, 1711665206, 1711665206, '36e07cd9', -10, 0, 0)

Line : 187
File : sessions.php