I'm getting below error while debugging the plugin.
Unhandled Exception: System.IO.FileLoadException: Could not load file or assembly 'Microsoft.Xrm.Sdk.Workflow, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. Strong name validation failed. (Exception from HRESULT: 0x8013141A).
It is a CRM 2013 online instance.
Microsoft.Xrm.Sdk.Workflow
in a Plugin? – Nicknow