We are using GroupDocs.Viewer Library with Dot net core 6 .We are trying to view the document through stream .The formats we are using are .rtf,docs,pdf .While reterviewing the file in groupdocs viewer we are getting err…...GroupDocsViewerExcep: Failed to detect file type GroupDocs.Viewer...GroupDocsViewerExcep: Failed to detect file type. at GroupDocs.Viewer...