Is there some form of Try: Except error: structure like in python and javascript?

Development Programming & Scripting Blueprint
,
1

Similar to:

try:
     x.get("2")
except TypeError as e:
    pass
2

natively in blueprint??? no.

There are however available in the marketplace.

3

You can use IsValid checks: Unreal Engine Blueprint - Is Valid Check | Community tutorial

Which are similar but not the same.