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What can cause "Unable to create object class extension COM component"

Question asked by Beibhin91941 on Aug 2, 2018
Latest reply on Nov 1, 2018 by craigpatterson

In ArcCatalog 10.6, I'm trying to export the schema of a feature class and its feature-linked annotation class to xml. However the export fails with the error message "Unable to create object class extension COM component".

 I created the feature classes in ArcPro 2.2 and I tried doing the XML export in ArcPro 2.2 first, but it doesn't allow me to choose discrete feature classes. I noticed the relationship class (which was created automatically when I created the feature-linked annotation class) doesn't show up in the export GUI. I'm not sure if that's significant. 

Incidentally, I need the xml files for an FME translation.

Anyone have any ideas what the problem could be? I'm wondering if it's related to Microsoft Component Object Model (COM) - about which I know very little.


Shows XML Export error message when trying to export workspace doc for two feature classes