61059: Acronis Backup: Backup in "Version 12 format" fails with "Input/output" error

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    1. You create a backup using Version 12 backup format (this format is used by default for all new archives in Acronis Backup 12.5 and Acronis Backup Cloud).

    2. Task fails with: "Input/output error"



    This is a generic error that requires investigation.

    For Acronis Backup 12.5: Please update the product to the latest available build (13400) as Acronis Backup 12.5 Update 4 contains fixes of this error message. If you need assistance, collect system information from the affected machine and contact Acronis Customer Central with a reference to this article

    For Acronis Backup Cloud: the issue has been fixed in Acronis Cyber Cloud 8.0, please update to the latest build.