Hi Danny,
Actually, in looking at this further, I checked two other databases that are using the same custom screen for the "Edit Customer." (This is a copy of the original CRM Edit Customer Screen, with some added fields.) The error is occuring on all three databases. I think it began with the new December platform updates. My 'Select' button works if I set the action to go to the non-edited CRM_EditCustomer tab, but it will no longer take me to my custom tab. Any thoughts on what I should be looking for in my custom screen that would have generated this error with the December updated Method in all three databases? And actually, I should clarify - the Select button DOES take me to my custom screen with the correct customer's information, but it still kicks up that error in a pop-up window, which I have to close...
I noticed in the release notes that there was a temporary login for the November screens, which is no longer available. If I could access that, I could at least verify that this is an issue with the new platform handling my custom screen.
Thanks!