Signals One: Spotfire error opening analysis file after file migration from on-premise environment

Description

A SerializationException error occurs when opening analysis file in Spotfire Analyst after an on-premise to Signals One migration:

Unable to read the file. SerializationException at Spotfire.Dxp.Framework: Deserialization failed.

Solution 

This happens because custom applications are not supported in Signals One.  As a workaround, you can:

- Open the DXP file in the on-prem environment where custom applications are available. 
- Export the needed data from the on-prem environment. 
- Rework the analysis without relying on the custom applications. 
- Save the updated file for use in the SRS environment.