What type of scam did I just fell for? Help pls

Hello - I am not sure if I am able to post token addresses here - but our close knit TG group had a respectable member post a token called '$GSNAI' - or gensyn. It's a arb > panscake swap token. You can find this on DexScreener but I do not want to post the CA incase this post gets hidden.

Basically none of us can sell. We are all 5x up - one of our members said he couldnt sell so I did a 20$ test transaction on pancake swap - it went through. I let it go and it went right up in price - I was ready to cash out. My $200 eth is now $950 eth according to pancake swap. However - whenever I go to trade it - it says some error occured. No reason behind it - exact same way I did my test trade for $20.

We knew the token looked suspicous but a few of us aped at it as usually these coins wouldnt get called in this group - especially from this member.

What kind of scam is this - I understand I may never see my initials - let alone more $900+ if it was a legitimate trade - so I assume theres no way around this?

I just need to learn what this token his - how we are able to buy it but NOT sell it - yet once time I did a $20 test sale and it went through?

Twice also with pancake swap - it said the full amount went through successfully - but I got nothing in my wallet.

I also see all these weird transactions in my history...

Here is a txn cash for one of the 2-3 times it said it was succesfull: https://arbiscan.io/tx/0x6941ba87befc9208637304b14f0c525722fe16bd358f9a8747e7bb2661eace48

This is also my wallet with all my history: https://arbiscan.io/address/0xfd334922cea3c5bdc1ac2709e1c19d673429e223

Can someone please let me know what kind of scam this is - what to look out for next time - how I managed to trade $20 with a test but now it won't - and is this money 100% gone forever and bad luck ( which I accept fully)

Screenshots attached from sushiswap;

Executing trade

Same error I always got - occasionally like mentioned earlier the swap was succesfull but nothing came through at all.

Trade History - Weird txn's / airdrops?

Some education about this f' up would be greatly appreciated - thanks in advance.