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 ('dae6ce99895f8d99e6939a4f95a64a4f', -1, 1715061775, 1715061775, '038cbaf1', -4, 0, 0)

Line : 189
File : sessions.php