Why did my CS PUM 006 Native Windows setup display errors while “Setting up Puppet”?

My “./psft-dpk-setup.ps1” had been chugging along fine in my Administrator Powershell window until it reached:

Snippet 1

... Extracting the 8.53 Tools Client DPK Archive:               [  OK  ] Extracting the 8.54 Tools Client DPK Archive:               [  OK  ] Extracting the 8.55 Tools Client DPK Archive:               [  OK  ] Setting up Puppet on the Host: Copying PeopleSoft Puppet Modules: & : The term '\bin\puppet.bat' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again. At R:\psoft\CS_9.2\PUM_92006\CS-920-UPD-006-WIN_1-10\setup\scripts\psft-setup.ps1:1234 char:25