"Sorry, that test location already has too many tests pending" - but not running any

[dimension85]

I have had the same issue arise, but changed nothing. Tests were running on pre-determined schedule and now they the server just returns this error. The problem is persistent after a reboot so am at a loss as to what has happened.

I have changed nothing Basically my private instance is now down and some real help as to how to fix this would be appreciated

Update after some investigation - resolved

Ok - so relying on WPT issued messages may not be a good thing. The basic message states that the location is already running too many tests, but this is just a default message that is issued if the test cannot be added. A quick look in the logs shows that the server was space constrained so a quick delete of the previous results followed by another reboot has cleared this condition.
Hope this helps others as a potential check if you come across the same message.