gtIndexFwdSimPairs: gives warning instead of error for missing reflections

Signed-off-by: preischig <preischig@xnovotech.com>

zUtil_Indexter/gtIndexFwdSimPairs.m

@@ -119,8 +119,9 @@ for ii = 1:length(grain)
         % Check if all reflections occur
         noref = any(isnan(om4), 1);
         if any(noref)
-            msg = sprintf('No reflection was predicted for some pairs in grain #%d', ii);
-            error(msg)
+            fprintf('No reflection was predicted for some pairs in grain #%d\n', ii)
+            disp('  This may be due to undefined (hkl) values from matching')
+            disp('  when theta angles of two or more {hkl} families are close.')
         end