# Problem - Occasional upgrade failure # Harm - DevOps unpredictability # Cause - The importance of OZ network file is hard to recognize at a glance, and [no way to reconstruct it later so far](https://github.com/OpenZeppelin/openzeppelin-upgrades/issues/474). # Solution - Add a patch of commenting-put `node_modules/@openzeppelin/hardhat-upgrades/dist/utils/deploy-impl.js:L17-18` to avoid check.
Problem
Harm
Cause
Solution
node_modules/@openzeppelin/hardhat-upgrades/dist/utils/deploy-impl.js:L17-18to avoid check.