Pulled lots on Heritage?

I had a coin I was looking forward to bidding on in the upcoming Heritage Long Beach World/Ancient auction. I've checked it every couple days to see if anything had changed in it - they had just uploaded the full description with pictures, and it was a "Featured" coin in the auction. It looked like it was ready to go when bidding starts mid-August.
However, I just looked at it again and it's now returning "Invalid Lot". Zeus Lampsacus Stater
Does this happen frequently, and what would cause this? I assumed that by the time it was listed, documented, photographed, and posted as "Featured" it would be definitely coming out.
I had been reserving coin funds for the last couple months waiting for it, skipping several other coins which I have been very interested in, assuming I'd be spending high-five-figures on the coin.
I'm frustrated to say the least
However, I just looked at it again and it's now returning "Invalid Lot". Zeus Lampsacus Stater
Does this happen frequently, and what would cause this? I assumed that by the time it was listed, documented, photographed, and posted as "Featured" it would be definitely coming out.
I had been reserving coin funds for the last couple months waiting for it, skipping several other coins which I have been very interested in, assuming I'd be spending high-five-figures on the coin.
I'm frustrated to say the least

Learn about our world's shared history told through the first millennium of coinage: Colosseo Collection
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Coin's for sale/trade.
Tom Pilitowski
US Rare Coin Investments
800-624-1870
<< <i>I would certainly call Heritage to find out what happened. Why just sit around and be unhappy about it? >>
I definitely will be doing so - I just saw it this morning and figured the forum would get the fastest response
Authorized dealer for PCGS, PCGS Currency, NGC, NCS, PMG, CAC. Member of the PNG, ANA. Member dealer of CoinPlex and CCE/FACTS as "CH5"