Symptoms
The following error messasges are shown when opening any k2 project on VS2012:
1. The 'workflowpackage' pacakge did not load correctly.."
2. Unsupported. The version of visual studio does not have the following project types installed or does not support them. You can still open these projects in the version of visual studio that they were originally created.."
Diagnoses
We checked that .net framework 4.6.1 is not installed which is not supported on 4.6.11. Labs has confirmed this to be a bug.
Resolution
This has been logged as a new bug. There is currently no workaround for this.