Querying the balanceOf ERC721 contract from an ERC20 contract

I have an issue querying the balanceOf this ERC721 contract from another ERC20contract. Posted it on Stack If you want to take a look at it.

[EDIT] Moved from: [DRAFT] Create an NFT and deploy to a public testnet, using Truffle

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So i fixed the issue i had. It was kind of obvious;

I was returning a result declared as unit256 that had a default value of 0.

Now i return the actual call.

function getNFTBalance(address _owner) public view returns (uint256){

       return nft.balanceOf(_owner);

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Hi @madeindreams,

Glad you were able to resolve.