This usually means you need to upgrade Perl on the server. Here is a example of a md5sum error.
The remote server didn’t report a correct md5sum of the archive. Please ensure you selected the correct type of remote server.
To fix upgrade Perl as shown here:
http://www.ezlinuxadmin.com/2009/08/upgrading-perl-on-cpanel/

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Cpanel transfer error, server to serve single account.
Here is the error when I try to do a single account cpanel server to server transfer:

Testing dwhs.net for xfer streaming support….Not Supported!
Packaging the account: (/scripts/pkgacct username “” –split compressed –mysql 5.0)…
pkgacct started.
pkgacct version 8.3 – user : username – archive version: 3 – running with uid 0
We [...]

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