> Le 9 févr. 2019 à 05:52, Jeremy French via 4D_Tech <4d_tech@lists.4d.com> a 
> écrit :
> [...]
> Questions:
> 1) What is an “entity set”? (Note the word “set” rather than “collection” in 
> the error message.)

Hi again, 
from this page:
"Entity selections can be "sorted" or "unsorted" (this point is discussed 
and the § "Ordered vs Unordered entity selections"
I suppose "set" in the error refers to the unsorted flavour. 

Arnaud de Montard 

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