I am new to posting comments. I had gone to the thread you recommended. very helpful. I tried to add a comment there, but not sure if it will be read.
my post was…….
I have added a few SA/SD locations within my 2D geometry, as instructed above. After I save geometry, and compute. the program freezes during Geoemtry Processing. There error in red says “review your data at this location (ie the SA/SD location) for completeness and consistency”.

