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Invalid internal API Usage???

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Trying to backup files and I get a "Synchronization has failed" message with the following event details:

Failed to copy changes of synced data from Acronis Cloud to ROHAN: Invalid internal API usage. Probably the stream is corrupted or archive options are incorrect. The sync will be restarted automatically later.

More information about this error and solutions may be available online in the Acronis Knowledge Base.
To access the online resource manually, enter the event code at: http://kb.acronis.com/errorcode/
Event code: 0x019A005A+0x01ED03E8+0x001703E9

The link to the KB article has nothing.

Any suggestions?

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I am getting similar 'invalid internal API usage errors. Also can't find anything. Sent ticket to Acronis. Hope they reply before my free support runs out...

Hello Glenn J,

actually you have a different issue, since you are getting the error message while starting Nonstop Backup.

Your query will be surely answered in a timely manner. In terms of our support policy the important point is the date, when the request is submitted; even if the investigation will last a relative long time, case won't be closed before you confirm the solution.

Thank you.

What is the resolution to this problem? I started getting this same message in my Cloud Backup job on Acronis True Image 2013.