feature layer failed to support arcade label

[hoogw]

arcade label is not supported in arcgis online? It should, but it shows mess up code instead

https://palmspringsca.maps.arcgis.com/home/item.html?id=93756247f383480b9fe5cb890390e7c3#visualize

arcade label work fine in arcpro, 

[hoogw]

6 years ago, 2018, this person had same issue as above.  6 years passed, ESRI still don't fix this problem?

https://community.esri.com/t5/arcgis-online-questions/confused-about-arcade-labeling-compatibility/t... 

[hoogw]

I removed arcade tag, it works fine in arcgis online

https://palmspringsca.maps.arcgis.com/home/item.html?id=93756247f383480b9fe5cb890390e7c3&view=table&...