In regards to my previous post, this information might be useful if anyone else runs into users with the issue: "I called PayPal and after trying a few things, we went through the process of not logging in and simply paying as a guest/new account which worked. So yay, donation work-around succeeded! Maybe the info will help others. The tech guy honestly didn't know why the two-step verification succeeds but hinders the overall transaction if I logged in so solution is just not logging in..."