Symptoms

The error appears on selecting skill in Use Skill, Map Fields activities if there are Splitter skills in the Skill Catalog:

Could not deserialize the response body

Cause

The root cause of the issue is the outdated version of the Vantage Connector to UiPath.

Resolution

Please use the latest version of the connector: https://marketplace.abbyy.com/vantage-connector-for-uipath/