Error while decrypting AccountData.json

[askjdg123]

Unhandled Exception: System.Security.Cryptography.CryptographicException: Key not valid for use in specified state.

at System.Security.Cryptography.ProtectedData.Unprotect(Byte[] encryptedData, Byte[] optionalEntropy, DataProtectionScope scope)
at RAMDecrypt.Program.Main(String[] args)

[APPLEJUICE529]

Im getting this error now, did you ever find out how to fix it?