In ArcGIS GeoEvent 10.9.1, creating Geotab input returns an error "Error: While trying to set the property 'minutesToGetBacklog' for new input. null" if it uses components from release 9.
A new release of the GeoTab Connector has been uploaded on 09 December. Esri Support team tested with ArcGIS GeoEvent 10.9.1 and confirmed release 10 works with the customer's provided credentials.