✖ Compiling contracts with solc 0.8.11 (commit.d7f03943) Cannot read properties of undefined (reading 'slice')

[frangio]

The OpenZeppelin CLI has been deprecated and replaced by OpenZeppelin Upgrades Plugins for Hardhat and Truffle.

Building for interoperability: why we’re focusing on Upgrades Plugins

[cover_forum_building_for_interoperability] OpenZeppelin’s mission is to secure the open economy. We believe that smart contract upgrades are an important part of this mission. For those who don’t know, a smart contract upgrade is an action that can arbitrarily change the code that runs in a contract on chain, while preserving its address, storage, and balance. Upgrades can be used as a safeguard for fixing an eventual vulnerability, and also as a means to iteratively develop a system by prog…