The article assumes your taxonomy is correctly updated to date.
You need to update the namespace and appropriate URI.
If your current instance document is mapped to say:
"http://yourcompany.com/20110630" and your updated company schema is "http://yourcompany.com/20110930".
You will get an Ins Err 6 if this is the case.
To resolve this error, just change the namespace URI for the prefix "yourcompany" to
"http://yourcompany.com/20110930". You can do this by selecting Edit->Prefix Setting in the instance creator and reloading.
Author: Neal Wang
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