I am running SW2012 SP3.0. I have a design table for a screw with hundreds of configurations. I created a custom property in the design table, $PRP@Manufacturer, but spelled it wrong in the design table the first time, $PRP@Manufactuer. So changed it to the correct spelling, but now in the File>Properties>Configuration Specific, it has both. How can I get the incorrectly spelled custom property to go away? I only have $PRP@Manufacturer (correctly spelled) in the design table. So, shouldn't the design table update the configuration specific properties. I have attached my design table.
Also, I cannot get the Manufacturer column in my BOM to be populated with the data I have under the $PRP@Manufacturer column in the design table.