Acronis True Image 2021(Mac): Acronis bootable media or Acronis Survival Kit creation fails on Big Sur

Symptoms

1. Acronis True Image 2021 is running on macOS 11 Big Sur
2. When you attempt to create Acronis bootable media or Acronis Survival Kit, the operation fails with the following error:

   An error occurred while creating media.

Cause

Issue in the product.

Solution

Close the window with the error and run the operation again. On the second attempt, Acronis bootable media or Acronis Survival Kit should be created without errors.