What is the meaning of this icon?

And where can I find this in the documents?
Min Thant Aung [SLC] [DevOps Advocate] Answered question
Hi Catarina,
I believe that the icon is for an unavailable element.
You can check more info here: DataMiner Cube sidebar | DataMiner Docs
Catarina Grilo [SLC] [DevOps Enabler] Selected answer as best