Following on from JENKINS-52366, the version of the automation tools plugin from that bug has an issue when running a build job. This is the Jenkins log;

Fri 07.20.2018 at 11:21:44 AM BST - 
Run started (TestID: 1764, RunID: 1905, TimeslotID: 4001)

Fri 07.20.2018 at 11:21:48 AM BST - Error: executeRequest exception: Operation failed. Error code: 1001
Fri 07.20.2018 at 11:21:48 AM BST - Error: Run could not start!
Fri 07.20.2018 at 11:21:49 AM BST - Logout succeeded
Fri 07.20.2018 at 11:21:49 AM BST - Empty Results
Fri 07.20.2018 at 11:21:49 AM BST - Result Status (PC RunID: 1905): FAILURE

Checking the corresponding test in Performance Center showed that it was triggered correctly, the test continues to run and passes successfully. The run information from Performance Center shows the following;

This was broken during the fix for 52366, I was able to run a successful job on the 17th of July but it had stopped working by the 20th. The bug log suggest the change for DecimalFormatSymbols whitelisting broke the build job.