```\nfunction changeMinter(address minter) public onlyOwner {\n    require(\n        minter != address(0),\n        "DCBW721: Minter cannot be address 0"\n    );\n    require(\n        minter != _minter,\n        "DCBW721: Minter cannot be same as previous"\n    );\n    _minter = minter;\n}\n```\n