icons

[enry2070]

Good morning to all,
I am using inventor 2021 and I got out this icon (the circles) on a set, but I don't get any mistakes.. Does anyone know what that means?
Thank you.

 

[Matteo Cappelli dis.CAD]

Hi.
within that witness, there is a small problem; perhaps an error on a suppressed sketch or a suppressed processing of a part, or, an error on the welding

 

[enry2070]

Thank you, I'll check in detail