- From the Administration section select Import, highlight the Import process, and select Edit
- Select the Set options tab of the process, Constituent matching, and mark the box Check for records that match existing constituents
- Note: You may have the uncheck the Use batch template settings box to get this option
- Save the Import process, delete the incorrect Batch, and run the process again
- You should no longer receive these exceptions in the Batch: Error: The value for 'Lookup ID' must be unique
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