APR Email - Value cannot be null. (Parameter 'cipherBytes')

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Anyone have any idea what this error is?

Using APR on Gov Cloud with on prem ECM trying to email a PO to a supplier and attach the PO to the record in Epicor.

Finally ended up figuring this out. It helps to put the password in Company Maintenance :laughing: :rofl: :laughing: :man_facepalming:t2: