Issue
When using tabcmd to publish a .twb file that connects to a data source in a UNC path and with reference to extract file to Tableau Server, the following error might occur:*** Unexpected response from the server: Bad request
LastWriteTime: Cannot get modification time of non-existent path '...Tableau Server\data\tabsvc\file_uploads\uploads_###\###.tmp'
LastWriteTime: Cannot get modification time of non-existent path '...Tableau Server\data\tabsvc\file_uploads\uploads_###\###.tmp'