Invalid HMAC / Decryption failed

If you receive an error similar to Decryption Failed, caused by: SecurityException: Invalid HMAC or Decryption Failed, this is usually caused by copying over your connections.json file from one instance to another. The connections.json file is encrypted with an encryption key that is specific to the original instance.

Remedy

To resolve this, do not copy over your connections.json file from one instance to another. If you receive this error, you will need to re-enter each password for all connections on the instance.