![Inside Unreal: The Unreal Build System Explained - December 2, 2021 - Announcements - Epic Developer Community Forums Inside Unreal: The Unreal Build System Explained - December 2, 2021 - Announcements - Epic Developer Community Forums](https://d3kjluh73b9h9o.cloudfront.net/optimized/3X/4/e/4e33b16f74b8ad3fe96d8320901ab555f73f9e09_2_1024x576.jpeg)
Inside Unreal: The Unreal Build System Explained - December 2, 2021 - Announcements - Epic Developer Community Forums
![Unreal Build Tool Error: ubt> ERROR: Unhandled exception: System.ArgumentNullException: Value cannot be null - C++ - Epic Developer Community Forums Unreal Build Tool Error: ubt> ERROR: Unhandled exception: System.ArgumentNullException: Value cannot be null - C++ - Epic Developer Community Forums](https://d3kjluh73b9h9o.cloudfront.net/original/4X/1/e/b/1ebdb27c40b6d3acaee5c6646dfbbe255022cabd.png)
Unreal Build Tool Error: ubt> ERROR: Unhandled exception: System.ArgumentNullException: Value cannot be null - C++ - Epic Developer Community Forums
![Rider shows lots of errors when opening an Unreal 5 project (but it sill builds) - C++ - Epic Developer Community Forums Rider shows lots of errors when opening an Unreal 5 project (but it sill builds) - C++ - Epic Developer Community Forums](https://i.stack.imgur.com/wMa3W.png)
Rider shows lots of errors when opening an Unreal 5 project (but it sill builds) - C++ - Epic Developer Community Forums
![Tutorial: How to debug UnrealBuildTool with Rider on MacbookPro 2023 (macOS Ventura 13.3.1) - C++ - Epic Developer Community Forums Tutorial: How to debug UnrealBuildTool with Rider on MacbookPro 2023 (macOS Ventura 13.3.1) - C++ - Epic Developer Community Forums](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/b/b/2bb3f3f7bcf8dddcf7ec8fd4060dca268f3ef661.jpeg)