Hi!
Just want to share a bit of finding here, in case other also encounter the same problem.
The error mentions 1) Integration Key Fields, and 2) Fields Mapping, and this is how I fix the error.
1) compare the Integration Key between the FO and DV,
if a field missing: add it, if number of field is not matching: I'd suggest follow what DV side has.
(I do not have customization in this entity, so if yours do have, please consider how yours should be set.)
2) go back to the mapping, and review if there's still error,
If the error persist, please try to do the either of these:
2.1 refresh the mapping until the fields come up correctly, and the error is gone, or
2.2 add the mapping of the missing fields as shown in the error.
In my case, here is what I mapped for that error.
Hope this help, and please suggest if any.
