You have 4 query subjects in the PNG. (and 3 folders).
The last 3 query subjects have facts in them (or more precisely, have a usage of measure. You may want to double check that you don't have something which you want to be used as an identifier or...
The last 3 query subjects have facts in them (or more precisely, have a usage of measure. You may want to double check that you don't have something which you want to be used as an identifier or...