I am using MS Access 2007 on Windows XP Professional. The main table in my Purchase Ordersdatabase has dropped its primary key and index (no duplicates). Previously, it worked without any problems, and caught duplicate values. Now, when I try to reset the primary key, I get the message, "The changes you requested to the table were not successful because they would create duplicate values, in the index, primary key, or relationship..." Is there any possible solution?
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