PC will now show an error message indicating that there was a problem decompressing the file, instead of showing the trace below. If the Zip file is large, it will also recommend re-exporting from the source with the Attachment migration mode set to "Manual".
This change also includes a check to verify that the zip file is valid when a Complete export is done.
When a zip file cannot be displayed due to it being a large file which contains corrupted file headers (typically for attachment files) then the error below is displayed.
It would be good to update this error message to advise users that they can work around it by manually migrating attachments and to link to the documentation page which explains how to do this.