70423: Acronis Cyber Protect: Backup fails with "Operating system error: Illegal byte sequence" on MacOS

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Operating Systems: 

Last update: 18-11-2022

Symptoms

  • You run backup of disks or files on Mac device
  • Backup randomly fails with “Operating system error: Illegal byte sequence”

 

Cause

Acronis Agent receives an error from APFS (Apple File System) and cannot proceed with backup of specific files.

This issue has been fixed in Acronis Cyber Protect Cloud 22.05, Agent 29633. Please update to the latest build.

Workaround

Add the affected directory to Backup exclusions. To learn more about File Filters see product documentation.

To identify the directory causing the issue:

  1. Open the activity details 
  2. Scroll to the end of the error and find the ‘path’ line.

 

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