Option 1:
  1. Change the Table Join types (BB339584) to Left Outer Join for ALL tables in the report
  2. Refresh (F5)  the report
Option 2:
  1. Go to File > Report Options
  2. Mark the Convert Database NULL Values to Default checkbox
  3. Mark the Convert Other NULL Values to Default checkbox
  4. Click OK
  5. Refresh (F5) the report