@DIY_556 said in MMM-transitfeed https error:

"realtimeUrls: [“https://api-endpoint.mta.info/Dataservice/mtagtfsfeeds/nyct%2Fgtfs-l”],

well you have a misplaced " in front of realtimeUrls
which with the one in front of https makes the start and end of a string and then
https is an unknown JS token