Would it be possible for you to post the job configuration you are using (you can copy the config as JSON from the Job Management page - expand the job and switch to the JSON tab)? Or if not, could you confirm if
egt_corrected is the scripted field you created in the
script_fields section of the
datafeed_config of the job?
We don't currently support viewing detectors with scripted fields in the Single Metric Viewer, so the links to the Single Metric Viewer should be disabled for detectors which use scripted fields. However the fact that you managed to open the job for that detector in the Single Metric Viewer makes me think that the checks we are doing aren't quite right.