message Valid size not available for this creation, Elements 10 greeting card

I would be very reluctant to engage in the registry changes propounded in the tech note appended by @Jeff Arola. I utilize a greeting card program titled Greeting Card Factory DeLuxe. The templates are precise and one can modify the stock card text to suit. Saves a lot on paper & ink!

Here is a copy of the no longer available Adobe KB to solve the Error "Valid size not available for this creation"