I was using the batch delete in 3.6.5 - by barcode and received this error:<br><br><img src="data:image/png;base64,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" alt=""><br>
<br>Hints as to why?<br clear="all"><br>-- <br>David Schuster<br>Plano ISD<br>Library Technology Coordinator<br>