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

Error importing solution AutoMergeServerCore.zip

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 MSCRM-ADDONS.com 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: Mscrm-addons.com AutoMergeWorkingItems

• please click on Publish All Customizations
• try to upgrade again.
• If you get the import error again, please contact support@mscrm-addons.com

That’s it! We appreciate your feedback! Please share your thoughts by sending an email to support@mscrm-addons.com.