Raster Calculator- Making variable from paramater

Discussion created by menase on May 30, 2012
Latest reply on Oct 10, 2012 by sfraval
I am trying to make the raster calculator expression a variable (Make variable> from parameter) but the option is greyed out. Does anyone know why this is happening and how do I solve or get around it? I do not have this problem with any of other tools in the model. [ATTACH=CONFIG]14756[/ATTACH]