Not working properly on iOS 14.8.1 with checkra1n

When trying to decrypt anything on an iPhone 7 Plus on iOS 14.8.1 jailbroken with checkra1n, this error shows up, both with the TFP0 and the libkrw versions.
<img width="1458" alt="image" src="https://user-images.githubusercontent.com/15571693/162816041-d2065842-ddb8-4ca6-be01-11efbe0b299a.png">
flexdecrypt and appdecrypt work fine however with the same device/setup.