[2020] Sadly one more not able to Play even solo

Both of you please send me your logfiles to [email protected]:
https://github.com/StrangeLoopGames/EcoIssues/wiki/Getting-the-Eco-server-and-client-log-files-for-local-world

(Server logs primarily)

Sorry, where you are getting directed depends on the content of the logs. Without knowing the logs we don't know yet where you need to go.