I deployed smart contract but in poocoin trade function not work

[Wally]

Investor can not buy from poocoin.app and all this happen with my Contacts when deployed.
I do all things and add liquidity pool . Actually before was work my code but now no

Code to reproduce

https://poocoin.app/tokens/0xda43d76b7a262a73edc0b61ec01762b87ce4d260

0xda43d76b7a262a73edc0b61ec01762b87ce4d260

Environment