wkt100

Perhaps your road is not enough to accommodate vehicles?

 the same to me too. Do you fix it now?

>  the same to me too. Do you fix it now? I install ray== 0.7.5, it works!!!(https://stackoverflow.com/questions/58277619/trouble-starting-simulation-on-ubuntu-18-04) but I got a new error: 

> >  the same to me too. Do you fix it now? > > I install ray== 0.7.5, it works!!!(https://stackoverflow.com/questions/58277619/trouble-starting-simulation-on-ubuntu-18-04) but I got a new error:  

To add, although I solved the problem with keys, when I ran the simulation, I found that I couldn't generate an XML file, and there is only CSV file

Should you look for the definitions of other vehicle models and try to modify them?

It's a fact that three years later, there are still no pictures available today🤣

11.4 download is not supported. You should check the official documents for manual compilation