We are investigating possible issues caused by Update Rollup 16 for CRM 2011 that may prevent managed solutions - including the ClickDimensions solution - from being successfully imported if a previous version of the solution was already installed. This may also impact CRM orgs that had UR16 installed and were then upgraded to CRM 2013.
The error reads:
0x8004F016 - A managed solution cannot overwrite the Attribute component with Id=<id-of-specific-attribute-component> 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 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.
We are attempting to confirm with Microsoft if this is a known issue and whether they have a resolution for it. Pending the outcome of this investigation, our recommendation is to avoid applying Update Rollup 16 if possible.