ICO Token has some value on the market but not in the wallet

Hello everybody, I was making an attempt to study extra about preliminary cryptocurrency choices and transactions. So I simply invested 100 bucks to a newly created token. So I purchased the token at a very low cost worth and its worth elevated an excessive amount of in just a day. But when I try to swap it, I had some type of an error. The day after its worth was zero in my pockets, nevertheless it even increased within the graph. I've no clue. Thanks