I kept getting that message after getting the "don't give up, blah, blah" one for a while, and figured that if it's saying something was in my cart eventually one would stick and it did. Although I had to open my cart in another tab to get it to actually check out.
What time did you stop trying ? It was like 8:10, 8:15 when mine finally went through. I kept getting a "Don't give up, pairs may be released from carts, blah, blah" (I'm paraphrasing) pop up message whenever I tried to add to cart, went to FNL & Footlocker sites and they kept saying my password...
The issue with Jordan and his current statements is, during negotiations in the last lockout in '98 when the owners were singing the same song that Jordan is singing now, he told Abe Pollin "If you can't make a profit then you should sell your team", and accused owners of the exact same thing...