PowerPivot Gallery Error Could not load type ‘Microsoft.AnalysisServices.SharePoint.Integration.ReportGalleryView’

Oh no you, you got the Could not load type ‘Microsoft.AnalysisServices.SharePoint.Integration.ReportGalleryView’ error!!! What to do now? Why did you get it? How to fix it? All these questions are now answered! PowerPivot is a wonderful tool with ...