Compiled code has no access to mapped network drives

I have compiled code from matlab R2020b. This code is used to load data from a network drive, analyse it and output data to the network drive again.

Now I want to compile the code using R2021b. The issue is that with this compiled code I do not have network drive access any more, local drives work fine. In the UI I get a red cross trough the drive meaning that the credentials are wrong suggesting that the compiled code is executed as a different user.

How do I either gain access to the network drive using, unknown to me, local user rights or change the user running the compiled code?

[Jan]

Which UI shows the red cross? What happens if you click on this icon ignoring the cross?

Compiled code does not run under a different user-account. If this would be working without providing a password, Matlab would be a dangerous hacking tool.

[Aryan]

The ui with the red cross is from the uigetfolder. If I click the red crossed mapped network drive I get access denied.