This has been an ongoing problem…it was fixed briefly about 11 days ago (Can't see purchase history anymore - #8) but that was the only time I’ve actually been able to look at my purchase history. Now it’s back to this:
I guess I should have quickly printed it off while it was available, but I assumed it would remain available. It’s kind of important for it to keep working, since so many of us use our 'forges for business purposes.