Go to the help menu and select Explain Error. Type that code number in there.
The error is:
"Error -200279 occurred at an unidentified location
Possible reason(s):
Attempted to read samples that are no longer available. The requested sample was previously available, but has since been overwritten.
Increasing the buffer size, reading the data more frequently, or specifying a fixed number of samples to read instead of reading all available samples might correct the problem."
