A red cross appears on a model tool in ArcGIS for Desktop 10.3 if the model tool is created in an older version of ArcGIS for Desktop and the Alter Field tool is present.
Last Published: August 5, 2015ArcGIS for Desktop
Bug ID Number
January 20, 2015
November 24, 2020
ArcGIS for Desktop
Operating System Version
After review by the development team, it has been determined that this issue is related to a known limitation with the software that lies outside of Esri's control. The issue's Additional Information section may contain further explanation.
The number of parameters changed for Alter Field, this is expected behavior.
Edit and save the model in ArcGIS for Desktop 10.3.