Make sure you have installed items listed below. If you do not have any it installed please follow the order of installation as enlisted.
- Visual Studio 2019 (at least Community Edition) v16.8.3+
- TwinCAT 3.1 eXtended Automation Engineering (XAE) TwinCAT 3.1 4024.4+
- .NET Framework 4.8 developer pack
- .net5 developer pack (Optionally preview)
- Inxton Vortex Builder extension
See also