Failed to Retrieve Asset Contract Error

[binarypheonix]

Upon building and running a custom, bootstrapped OpenMinter, when I try to mint an asset, or view the collections, it shows this error along with the address of the contract.

Is this a problem with the codebase, or am I doing something wrong here?

I use

https://testnet-tezos.giganode.io

as the RPC node.

Everything else works fine, it builds without errors and starts on the command

yarn start:custom

Don't know what I'm missing here. Any help is greatly appreciated!