https://onedrive.live.com/redir?resi...9C888EE%212294 - example

1.On piv_tbl1 i make off subtotal for field "date_order" and on field "Sum of price_ekv"(show values as/difference from) disappears base item in menu. But if i choose subtotal, then it okay in piv_tbl2.
2.On piv_tbl3 i make 2 files with difference from. In J34:J37 it calculated and have 0, and in K34:K37 is not and get empty.

I tnink it some bug. I will be grateful for the assistance