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 ('8c93847d7a570e3d4ed66211d3e62e00', -1, 1715308913, 1715308913, '340f3f91', -8, 0, 0)

Line : 189
File : sessions.php