Magento

I have found a couple of other posts regarding this, all unanswered. PLEASE take the time to review and answer this question if you have anything helpful to say. I realize Saved CC is not the most popular (nor the safest) way to complete transactions, but some design clients do prefer to use it and our companies have to deal with it.

When enabling the Saved CC option on ANY of my Magento installs (around 10), I get the following error:

When looking through the code for Ccsave, there is no isCurrent method, so it is correct. But there are also no methods except the simple construct. What am I missing here?