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 ('93d0cb8d9148d445ee0cbba00d07a2c8', -1, 1715121330, 1715121330, '1276ab14', 3, 0, 0)

Line : 189
File : sessions.php