We are facing some problems when trying to update a solution created on a Dynamics 2013 in a Dynamics 2015 instance. Apparently when you upgrade to Dynamics 2015 it creates a field called Traversed Path in all activity type entities. As the solution had an entity of this type the field was created there an now when we try to import a new version of the solution we get the following error:
"A managed solution cannot overwrite a Attribute component on the target system that 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 now a managed solution from the same publisher is trying to install that same Attribute component as managed. This will cause an invalid layering of solutions on the target system and is not allowed."
I've tried to:
1. Export our solution as unmanaged and import to a Dynamics 2015 instance and then export as managed (so the field would be in it) but I got the same error.
2. Import to Dynamics 2013 instances and it worked fine.
3. Removed the TraversedPath attribute from the customizations XML exported from the Dynamics 2015 instance and imported the solution into a Dynamics 2015. It seems to be working but I don't think we should be changing it.
Has anyone had the same problem and know how to handle it?
Thanks!
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