ERRORNFT.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;

import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Royalty.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract ERRORNFT is ERC721Burnable, ERC721Royalty, Ownable {

    uint96 public royaltyPercent = 1000;
    string public metadataURI = "https://gist.githubusercontent.com/skyfly200/1fe7621107d16d76d9d46bca027ad9dc/raw/05c8c6671b6130f6e4a2553189c4e204a827936d/metadata.json";
    string public ipfsLink = "ipfs://ipfs/QmdnJtm8hxfqZPcXGZYDaw6e459Sdy85k1ChifeiL8YoqG/image.png";
    string public arWeaveLink = "https://app.ardrive.io/#/file/888104b7-eb10-43db-bd49-9052f36c5197/view";
    string public github = "https://github.com/MonkMatto/Conceptual-Art/tree/main/ERROR";
    
    constructor() ERC721("ERROR", "404") {
        // set deafault royalty
        _setDefaultRoyalty(address(this), royaltyPercent);
        _safeMint(msg.sender, 404);
    }

    /**
     * @dev Update the royalty percentage
     * @param _percentage for royalties
     * @dev Only the owner can call this
     */
    function setRoyaltyPercent(uint96 _percentage) onlyOwner external {
        royaltyPercent = _percentage;
    }

    /**
     * @dev Update the metadata URI
     * @param uri to set
     * @dev Only the owner can call this
     */
    function setMetadataURI(string calldata uri) onlyOwner external {
        metadataURI = uri;
    }

    // The following functions are overrides required by Solidity.

    /**
     * @dev get baseURI for all tokens
     */
    function tokenURI(uint256 tokenId) public view override(ERC721) returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
        return metadataURI;
    }

    /**
     * @dev get baseURI for all tokens
     */
    function _baseURI() internal view override returns (string memory) {
        return metadataURI;
    }

    function supportsInterface(bytes4 interfaceId)
        public
        view
        override(ERC721, ERC721Royalty)
        returns (bool)
    {
        return super.supportsInterface(interfaceId);
    }

    function _burn(uint256 tokenId)
        internal
        override(ERC721, ERC721Royalty)
    {
        super._burn(tokenId);
    }
}

metadata.json

{"platform":"MATTO","name":"ERROR","tokenID":"404","description":"ERROR is a purposely broken image file.","github":"https://github.com/MonkMatto/Conceptual-Art/tree/main/ERROR","arweave":"https://app.ardrive.io/#/file/888104b7-eb10-43db-bd49-9052f36c5197/view","image":"ipfs://ipfs/QmdnJtm8hxfqZPcXGZYDaw6e459Sdy85k1ChifeiL8YoqG/image.png","website":"https://matto.xyz/","artist":"Matto","license":"NFT License","royaltyInfo":{"artistAddress":"0xA6a4Fe416F8Bf46bc3bCA068aC8b1fC4DF760653","royaltyFeeByID":10},"attributes":[{"trait_type":"ERROR","value":"404"}]}