1). Check that you are Collecting Reads

2). Check your Actual Start Date & Time in Scored Event Setup 

3). Check that your Timing Locations have Streams assigned 

4). Read Time out of Range - Check Timing Location Filter Date & Times (Collect Times Until & After) and Raw Read Times

5). Undefined Occurrence - Check Segment Setup & Timing Location Filters for Occurrence Gap Factors

6).  Bib or Chip Unknown - Check Bib/Chip Cross Reference