Hello Everyone , i would like to ask which version of Rasa x and open source , i used Rasa Ephemeral Installer (REI) but it shutdown everytime i start it (i have to use command rasactl stop “workspace” and start it with rasactl start “workspace” few secondes and it shutdown ) , im new to rasa and im trying to figure out a solution , i also used rasa installation by @nik202 but the bot doesnt save neither domain.yml or stories or model. sorry for my bad english and thank you in advance if anyone could help 
Have a nice day
You’ll find the compatibility matrix here.