Account Creation Error with MD5 Encryption

I just started getting the following error upon creating a new user with Virtualmin:

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Your system has MD5 passwords enabled, but the Perl Crypt::Eksblowfish::Bcrypt module is not installed.

To force the use of normal encrypted passwords, adjust your module configuration.

Or have Webmin download and install the Crypt::Eksblowfish::Bcrypt module for you.

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If I choose the option to have Webmin install this module, then I get the following error:

Failed to install module : Module Crypt::Eksblowfish::Bcrypt was not found in the CPAN modules list

I am running Virtualmin 3.64 Pro with the recent Webmin development version 1.449. Perhaps this is a new bug in the latest dev release? I haven't made any recent changes to my encryption settings....

Status: 
Closed (fixed)