12941 -- Error - deserialize 'password' due to decryption errors

Warning occurs on FFSP file this contains an encrypted password property:

Description Resource Path Location Type
Unable to deserialize 'password' due to decryption errors: javax.crypto.IllegalBlockSizeException: Input length must be multiple of 8 when decrypting with padded cipher itestServerDb.ffsp my_project/session_profiles /sessionProperties/password.masked Problem

The session profile still works during a session.