https://community.appian.com/discussions/f/user-interface/24552/milestonestampHi, I have a below milestone stamp and it is working fine until I setup the value as &quot;4&quot;. The moment, I setup the value as &quot;4&quot; then I am getting below error. Any clue?en-USTelligent Community 12https://community.appian.com/thread/94872?ContentTypeID=1Tue, 10 May 2022 00:23:45 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:e5b74586-bddf-4b8e-a40c-96d9242480f6Naresh<p>Hi</p> <p>In line no 4 you passing&nbsp;<span>{&quot;One&quot;, &quot;Two&quot;, &quot;Three&quot;, &quot;Four&quot;} (</span>local!milestoneStampIcons: {&quot;One&quot;, &quot;Two&quot;, &quot;Three&quot;, &quot;Four&quot;}) in your local variable and you are using this values as icons. Since these are not a valid icons (Not supported in Appian/Not available in Appian) it is thronging error. Replace those values with valid icons values.&nbsp;</p> <p>For valid Appian supported Icons&nbsp; please see <a href="https://docs.appian.com/suite/help/22.1/Styled_Icon_Component.html#available-icons">here</a></p> <p><a href="https://docs.appian.com/suite/help/22.1/Styled_Icon_Component.html#available-icons">https://docs.appian.com/suite/help/22.1/Styled_Icon_Component.html#available-icons</a></p><div style="clear:both;"></div>