When I try to run my scenario I get an error message
Missing Load Generator "localhost" in Scenario xxx
but I can see it in the Default zone as ticked and green and the Check User Path works fine.
I do have a Local not found zone, which has a red X with a localhost underneath with a red X but I can't delete this entry or remove the zone.
Is this stored in the config zip somewhere or in the nlp, that I could edit?
The list of LG's is stored in the config.zip file. If you edit it you have a repository.xml file that contains the list of LG's. The LG's definition starts with <lg-host hostname=
I would recommend you to make a backup of your whole project folder before modifying that file as you could corrupt it and loose your project content in case of issue.