Xtender: Resolve the Unique Key Violation Error

This tip is for anyone using the web version of Xtender, with the ability to index documents.  

Sometimes when you're indexing a document, you click the Save button, thinking that you're all set, and then the Unique Key Violation error message pops up. And you wonder... What on earth is that, and how do I get past it? 

Not to worry. The error message is telling you that there is already a document indexed with the same key pieces of information. Xtender doesn't allow more than one document to be indexed with the same key fields, so you have 2 choices:

1) index the document with different information, or

2) attach the new document to the document which was previously indexed.

To attach the new document to the document which has already been indexed:

  1. Click the OK button to acknowledge the error.

  2. Click the Key Reference & Indexes button to search for other documents saved with the same index terms.
    Key Ref and Import button

  3. The documents are displayed in a table where the index terms had been. Scroll to the right to see all the information for the document, to confirm you found the one you’re looking for.

  4. Once you find the document you want to add the new pages to, click the Attach to Document button.
    Attach page button for unique key

  5. This will attach the single page you’re looking at, to the end of the document which had previously been indexed.

  6. Xtender returns you to the regular indexing page, but now anything you attach will be attached to the previously indexed document. Continue indexing as you normally would.


For more tips on using Xtender, visit http://www.usnhgateway.org/ >> Documentation >> Xtender. Or, search for Xtender right here in the UNH IT Knowledge Base.

If you have questions, please complete an online Document Management technical support form at https://td.unh.edu/TDClient/Requests/ServiceDet?ID=131 or call the IT Service Desk at (603) 862-4242.


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  • Author: Jessica Michelsen
  • Department: Enterprise Technology Services
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