Can someone help me with erc20 contract

Hi guys I’m trying to learn coding and forking contracts and I’ve learnt a lot however i am still a noob, I’ve managed to fork a contract into my own and deploy it everything seems to be functional, including redistribution and auto liquidity tax fees seem to be fully functioning, how ever any wallet to wallet transactions ie sending x amount of the token fails I’ve tried many things and I’m in a bit of a mess now could anyone offer me some help please?!