'Error finding repository for '{0}': {1} -Unable to find package '{0}' at source '{1}'. .Unable to find version '{1}' of package '{0}'. 4Unable to resolve dependencies for multiple packages 5Unable to uninstall '{0}' because '{1}' depend on it. 6Unable to uninstall '{0}' because '{1}' depends on it. 9Unable to gather dependency information for package '{0}' =Unable to gather dependency information for multiple packages ?Unable to find package '{0}' at source '{1}'. Source not found. NUnable to resolve dependencies for package '{0}' with DependencyBehavior '{1}' OUnable to gather package '{0}' from source '{1}'. Please verify all your online package sources are available. Unable to find package '{0}' _Unable to resolve '{0}'. An additional constraint '{1}' defined in {2} prevents this operation.