entities with no volume elements

[Paulettea]

Dear all

I am using Ansys workbench 16.1.

does anybody have any idea how to remove the following error:

the mesh of the following entities have no volume elements

what is the cause of this error and what should be done to remove the issue?

Warm Regards

 

[L_K]

Please post some pictures of your error and analysis. You can right click the error message
to identify the offending entity.