Suggest replacing with something like this? (Might have saved me some time)
Download and install the correct version of Unity. Personal edition is fine for desktop usage. Multiple versions of Unity can coexist on the same machine using Unity Hub. The early releases of videolab required Unity 2018.4.29. The notes on the videolab release page will indicate when a newer version of Unity is supported - videolab since version 1.3 has worked with Unity 2022.3.7f1
Videolab version https://github.com/teenageengineering/videolab/releases/tag/v1.3.3 does not appear to work in Unity 2018.4.29 which the getting started page on the wiki confidently suggests you download as step 1.
Suggest replacing with something like this? (Might have saved me some time)