Attempting to commit a Constituent Update Batch that includes an existing constituent’s Lookup ID and last name displays the error “The value for ‘Lookup ID’ must be unique”
We are currently evaluating this issue and will update this article when we have more information.
Steps to Duplicate
1. Open or create a constituent update batch that includes Lookup ID and Last name. 2. Enter an existing constituent’s Lookup ID and Last name. 3. Validate the batch and note the error “The value for ‘Lookup ID’ must be unique.”