Thin Client - Unexpected error ( An unexpected error has occured 400 ) during DWF view

[tomas.kochanZNASP]

Version: 

VLT ADMS 2023.2

Hello,

We have a problem with showing DWF files via the TC. After clicking on the ITEM tab "associated files" directly on the file, the following error is thrown:

however, after clicking "view details" and going directly to the given part, the view tab works reliably:

Please don't you know what the error is that it doesn't open the DWF preview directly from the ITEM by one-click???

Thanks for every advice.

Ing. Tomas Kochan.