In the centre finder the sample workspace was being deleted before it was...

In the centre finder the sample workspace was being deleted before it was needed by the can processing re #1285

Code/Mantid/PythonAPI/scripts/SANS/SANSReduction.py

@@ -1283,6 +1283,7 @@ def WavRangeReduction(wav_start = None, wav_end = None, use_def_trans = DefaultT
         else:
             mantid.deleteWorkspace(tmp_smp)
             mantid.deleteWorkspace(tmp_can)
+            mantid.deleteWorkspace(final_workspace)
                 
     # Crop Workspace to remove leading and trailing zeroes
     if finding_centre == False:
@@ -1626,7 +1627,6 @@ def GroupIntoQuadrants(reduced_ws, final_result, xcentre, ycentre, q_bins):
         CreateQuadrant(reduced_ws, final_result, q, xcentre, ycentre, q_bins, final_result + '_' + str(counter))
 
     # We don't need these now
-    mantid.deleteWorkspace(final_result)                    
     mantid.deleteWorkspace(reduced_ws)
 
 # Calcluate the sum squared difference of the given workspaces. This assumes that a workspace with