When trying to use an AutoCAD Express Tool the command line shows "unknown command" and the Express Tool user interface may be missing.
When trying to use an AutoCAD Express Tool the command line shows "unknown command" and the Express Tool user interface may be missing.
![Understanding the user interface | Practical Autodesk AutoCAD 2023 and AutoCAD LT 2023 - Second Edition Understanding the user interface | Practical Autodesk AutoCAD 2023 and AutoCAD LT 2023 - Second Edition](https://static.packt-cdn.com/products/9781801816465/graphics/image/Figure_1.1_B17545.jpg)