Class 'FreePBX\Console\Command\GPG' not found

I upgraded from FreePBX distro 6.12.65-26 to 10.13.66-1 using the upgrade script . I am having a problem when trying to refreshsignatures. Is this a known issue?

cat /etc/schmooze/pbx-version


/var/lib/asterisk/bin/fwconsole ma refreshsignatures

Getting Data from Online Server…
Checking Signatures of Modules…
Checking accountcodepreserve…
PHP Fatal error: Class ‘FreePBX\Console\Command\GPG’ not found in /var/www/html/admin/libraries/Console/Moduleadmin.class.php on line 609

missed a \.

this will be corrected in the next update