I now already went through a lot of iterations of trying different combinations of either unity or vuforia. long story short: I always end up with the following error in XCode:
2021-06-15 15:55:31.381487+0200 test[1268:382029] ERROR/AR(1268) 2021-06-15 15:55:31: Unable to set the RuntimeImageSource. The target width cannot be 0 or smaller.
2021-06-15 15:55:31.397905+0200 test[1268:382029] ERROR/AR(1268) 2021-06-15 15:55:31: VideoBackgroundConfig with screen size of zero received, skipping config step
The app opens with the unity splash and then enters a black screen.
In the appendix is the log from XCode.
Unity version: 2020.3.11f1
If I would not have to work with it I would honestly give up on it... I spent so much time googling my fingers bloody with any positive result that fixed this issue for me.
Any working help is appreciated in the highest of forms you can imagin!
Thanks in advance