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 ('c84c7e665525847a6e99702cb9b3ef20', -1, 1715346394, 1715346394, '12778560', -4, 0, 0)

Line : 189
File : sessions.php