Forum Post: I am trying to write a plugin which has to search through files in sharepoint and return path. For I need to use assembly -- "'Microsoft.SharePoint.Client.Search, Version=16.1.0.0," But error says,above assembly could not be loaded.

I am trying to write a plugin which has to search through files in sharepoint and return path. For I need to use assembly -- "'Microsoft.SharePoint.Client.Search, Version=16.1.0.0," How ever I am getting the below error. Unhandled exception: Exception type: System.ServiceModel.FaultException`1[Microsoft.Xrm.Sdk.OrganizationServiceFault] Message: An unexpected error occurred from ISV code. (ErrorType = ClientError) Unexpected exception from plug-in (Execute): Sharepoint_searchkeyword.searchkeyword: System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.SharePoint.Client.Search, Version=16.1.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified.Detail: 1fdb3743-9e2d-42df-a863-a99eedf6c9d0 -2147220956 An unexpected error occurred from ISV code. (ErrorType = ClientError) Unexpected exception from plug-in (Execute): Sharepoint_searchkeyword.searchkeyword: System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.SharePoint.Client.Search, Version=16.1.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified. 2019-06-21T05:58:59.2544432Z false [Sharepoint_searchkeyword: Sharepoint_searchkeyword.searchkeyword] [a1ff1324-e893-e911-a825-000d3a47c8cb: Sharepoint_searchkeyword.searchkeyword: Update of lvt_searchprofiles]