'Dynamics 365 - 'PluginAssembly' entity doesn't contain attribute

When create a connection using PluginRegistration, I was getting the error below.

'PluginAssembly' entity doesn't contain attribute with Name = 'packageid' and NameMapping = 'Platform'.

Can you offer a solution ? Thank you.enter image description here



Solution 1:[1]

Recently Plugin Registration Tool added new features and if the user used to connect has not a System Administrator role errors can happen. I don't know if it is related to your case but I will check the roles first.

Also XrmToolBox has a Plugin Registration Tool (you can find it inside the Tool Library) you can try with this version and see if you can connect or not.

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Solution Source
Solution 1 Guido Preite