```\nfunction changeMintBeneficiary(address beneficiary) public onlyOwner {\n    require(\n        beneficiary != address(0),\n        "DCBW721: Minting beneficiary cannot be address 0"\n    );\n    require(\n        beneficiary != _mintingBeneficiary,\n        "DCBW721: beneficiary cannot be same as previous"\n    );\n    _mintingBeneficiary = payable(beneficiary);\n}\n```\n