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 ('086cec21ea65fdd417bc0f0b368f148b', -1, 1715169181, 1715169181, '031677fb', -4, 0, 0)

Line : 189
File : sessions.php