phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ad49502dd7ca65b02b98d0e9faf754d3', -1, 1715014612, 1715014612, '038a71bc', 4, 0, 0)

Line : 189
File : sessions.php