What happens when you use the Include method on a non-existent relationship in a query?
- An InvalidOperationException is thrown
- No error is thrown, and the related entities are loaded as null values
- The query results in an empty set
- The related entities are loaded with default values
An InvalidOperationException is thrown when you use the Include method on a non-existent relationship. This error indicates that the relationship specified does not exist, and therefore, related entities cannot be included in the query.
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