- Blog


This blog is deprecated since July 2020.The articles below are no longer maintained and might contain outdated information. 
You can find the most acutal and relevenat information in our Knowledge Base at Blog


Hello and welcome to our blog! What can we do for you? Are you looking for further technical information or step-by-step instructions to our products? Or would you like to read the latest news on mscrm-addons? Please feel free to browse our blog for detailed information and to share our posts!

DCP Server Upgrade Error: A managed solution cannot overwrite the Attribute component with Id=

Sometimes it could happen that you receive the following error message when you upgrade your DocumentsCorePack Server.

Error importing solution

Figure 1: Error importing solution on org

When you click on retry you get following details:

Error: A managed solution cannot overwrite the Attribute component with Id=07b55925-4b04-4bfa-900f-4e20744f784c which has an unmanaged base instance. The most likely scenario for this error is that an unmanaged solution has installed a new unmanaged Attribute component on the target system, and…

Figure 2: Error message


If your error message looks similar to the screenshot, please check the following details:

  • Go to Settings->Customization->Customization
  • Select the entity AutoMergeWorkingItems ->Fields
  • Search for the field ptm_impersonatinguser
  • Check if the state of this field is unmanaged
  • In the case it is unmanaged, please remove the field

Figure 3: AutoMergeWorkingItems

  • please click on Publish All Customizations
  • try to upgrade again.
  • If you get the import error again, please contact

That’s it! We appreciate your feedback! Please share your thoughts by sending an email to

Comments are closed.