https://community.esri.com/t5/arcgis-cityengine-questions/cityengine-2016-error-no-start-rule-found/m-p/1062789#M10166 <P>Looks like your start rule is a conditional statement (case/else) but your missing the else part.&nbsp; &nbsp;</P><P>Put "Else:" at the bottom with what you want the default to be.</P> Fri, 28 May 2021 09:17:03 GMT Anonymous User 2021-05-28T09:17:03Z https://community.esri.com/t5/arcgis-cityengine-questions/cityengine-2016-error-no-start-rule-found/m-p/1054522#M10152 <P>I'm trying to run a rule file in CityEngine 2016. When I try to Assign the Rule I get a pop up message saying "No Start Rule found in 'RuleFileName.cga'. Verify the rule file." (Capture 1).</P><P>However, I have a&nbsp;@StartRule in my rule file (Capture 2 shows a snippet of the code).</P><P>Is there something I'm missing?</P> Wed, 05 May 2021 04:12:21 GMT https://community.esri.com/t5/arcgis-cityengine-questions/cityengine-2016-error-no-start-rule-found/m-p/1054522#M10152 ÓrlaHammond 2021-05-05T04:12:21Z https://community.esri.com/t5/arcgis-cityengine-questions/cityengine-2016-error-no-start-rule-found/m-p/1062789#M10166 <P>Looks like your start rule is a conditional statement (case/else) but your missing the else part.&nbsp; &nbsp;</P><P>Put "Else:" at the bottom with what you want the default to be.</P> Fri, 28 May 2021 09:17:03 GMT https://community.esri.com/t5/arcgis-cityengine-questions/cityengine-2016-error-no-start-rule-found/m-p/1062789#M10166 Anonymous User 2021-05-28T09:17:03Z