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 ('4cc097dbd3ce7fdb5be22048d332c3c9', -1, 1715250421, 1715250421, '030c47ed', -10, 0, 0)

Line : 189
File : sessions.php