When trying to import a exported json which doesn't have a config property:

I Suppose there are two issues here:
- Nullity check
- Trying to add buckets that already exist (exist in both the import file and scoop). Though the source code used Out-Null, it seems not working for stderr. Note that the hint in this case can be misleading for users.
When trying to import a exported json which doesn't have a config property:

I Suppose there are two issues here: