From a LabVIEW window choose
Help -> Explain Error
You can enter the error code there and get a brief explanation
-44061 is the main drive loop is taking more than 100ms to be called. If this only happened once, then you can ignore it. If it rapidly repeats then your Teleop is too slow (Waits, too much code, other reasons).
-44007 is the name you are retrieving in Teleop is misspelled or the wrong Get (in vs out) was used, or the device was never Open'ed /Named in Begin.