Unexpected error failed to fetch

[NewDeveloper]

Hello to everyone, I'm trying to run a flow without success.
My flow is linked to the common data service. I have to loop on a list of element.
While the execution I receive an error "Unable to fetch". I really don't know why i get this error.

Here a pic of the flow

I receive the error or on the get row action of the second loop or on the condition action

Thank you

[Masa_]

The following may be the cause of the error:

Since there are multiple [get a list of row], make sure that the [value] set in [Applica a ogni 2] and [Applica a ogni] is correct.

The [value] set in [Applica a ogni 2] must be the [value] of [get a list of row] above [Applica a ogni 2].

The [value] set in [Applica a ogni] must be the [value] of [get a list of row] in [Applica a ogni 2].

 I used google translate.
Regards,
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