Records Ignored During an Import
From LongJump Support Wiki
During an import, some incoming records may be ignored. (In general, you'll want to be sure that the number of ignored records reported in the Import Log matches the number you expect.)
Incoming records are ignored in the following circumstances:
- The object has a Unique Key Index, and the new record would cause a duplicate key.
- The record_id field is mapped, but it:
- is empty
- has a non-numeric value
- has a value outside the valid range of 1001 to 231 - 1
When a record is ignored (rejected), an entry is added to the Import Log.