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 ('9cd09a3bc40b8b71d7d8d40fd74a934e', -1, 1715237856, 1715237856, '03856d1e', -9, 0, 0)

Line : 189
File : sessions.php