Why would someone dont talk to anymore invite to kids birthday party?

Ok, so we talked for few months then stop talking which personally I think timing was off why we stop talking but been few months since we talked.. So I find it odd and kinda weird to invite me to their kids party cause we haven't talked couple months and 2 I dont even have a kid to take.. Dont know how to take it
Why would someone dont talk to anymore invite to kids birthday party?
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