Error code 999 on theme builder website

Just upgraded from 9 to An app I'm working on throws error 999 when I try to use LoadFromFile

Indicates that an attempt was made to assign protection to a file system file or directory and one of the SIDs in the security descriptor could

cpde999 My windows server generates some auto reports on a regular schedule task, from the last few days it's not generating the same getting error

cpde999 The 999 Request Denied status code is a generic error message that has different consequences depending on the server The LinkedIn social media