The Component Test Meter and Scope Multimeter can not be run at the same time. The currently recording one needs to be stopped before a new one will run.
If you are getting this message when attempting to launch a component test, the scope or multimeter was left recording. Switch over and stop the scope from recording.
If you are getting this message when attempting to launch the scope or multimeter, a component test was left recording. Switch over and stop the component test from recording