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) VALUES ('bcdc3a6b7009c5e81d0e8e8ecdb0b61f', -1, 1714728267, 1714728267, '12bc0af6', -10, 0)

Line : 158
File : sessions.php