Transfer data from an Intel-based VM to an ARM-based VM

I tried the steps from.
https://kb.parallels.com/125344#section4
1. Click the Parallels icon on the top menu bar > Control Center.
2. Right-click the virtual machine > select Show Hard Disk Contents...
I get the error message:
Parallels Mounter is unable to open the file.
The format of the selected file is not supported.
What am I to,do?

Kind regards from Heiko