Vladimir Trifonov

Found a similar issue in cosmos-sdk: https://github.com/cosmos/cosmos-sdk/issues/4254

I had the same exact issue and after registering the x/upgrade Pre Blocker and after adding [QuocThi](https://github.com/QuocThi)'s upgrade handler I managed to fix it. Thx!

fyi: the error is thrown in here: https://github.com/protocolbuffers/protobuf-go/blob/master/internal/impl/convert.go#L142

I get ``` test/contracts/xxxV2.sol:20: Missing initializer Define an initializer function and use it to call the initializers of parent contracts https://zpl.in/upgrades/error-001 ``` when I try to upgrade from v1 to...

> hey [@vladimir-trifonov](https://github.com/vladimir-trifonov) I am getting a similar issue [#1124](https://github.com/OpenZeppelin/openzeppelin-upgrades/issues/1124), do you remember which version of the `@openzeppelin/hardhat-upgrades` package did `@openzeppelin/upgrades-core v1.41.0` pointed too ? I was having the same...

I saw this `missing-initializer` check, but I didn't want to use it since I have initializer in my upgraded contract e.g.: ``` function initializeV2() public reinitializer(2) { ... } ```