Issue
When trying to open a previously working Tableau Workbook in Tableau Desktop 2018.3, an error similar to the following might occur:"Unable to complete action
Errors occurred while trying to open the workbook "<file path>".
The load was not able to complete successfully
Error(96203,12) missing elements in content model '(document-format-change-manifest.repository-location?.preferences_style-theme?.style.local-data?.datasources?.datasource-relationships?.mapsources?.shared-views?.actions?.worksheets?.dashboards?.windows?.thumbnails?.external?.referenced-extensions?(id: C:\Users\USERNAME\Temp......twb)"
Errors occurred while trying to open the workbook "<file path>".
The load was not able to complete successfully
Error(96203,12) missing elements in content model '(document-format-change-manifest.repository-location?.preferences_style-theme?.style.local-data?.datasources?.datasource-relationships?.mapsources?.shared-views?.actions?.worksheets?.dashboards?.windows?.thumbnails?.external?.referenced-extensions?(id: C:\Users\USERNAME\Temp......twb)"