# Troubleshooting

- [Basic Troubleshooting](/restreamer/knowledge-base/troubleshooting/basic-troubleshooting.md): Most errors have only a tiny cause and are easy to fix. What you have to check first is described in this document in 3 steps.
- [Encoding compatibility list](/restreamer/knowledge-base/troubleshooting/encoding-compatibility-list.md): These encoders work well with the Restreamer.
- [Understand different error messages?](/restreamer/knowledge-base/troubleshooting/understand-different-error-messages.md)
- [Why do I see ENV and cannot select anything?](/restreamer/knowledge-base/troubleshooting/why-do-i-see-env-and-cannot-select-anything.md): In the user interface, there are always settings marked with ENV and locked for selection.
- [No video](/restreamer/knowledge-base/troubleshooting/no-video.md): The errors with the video source can be multilayered.