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 ('3267c8a44880d4a402d91c8d3e6d58c9', -1, 1715023254, 1715023254, '12df728e', -11, 0, 0)

Line : 189
File : sessions.php