Index: ../trunk-jpl/src/m/classes/initialization.py
===================================================================
--- ../trunk-jpl/src/m/classes/initialization.py	(revision 26013)
+++ ../trunk-jpl/src/m/classes/initialization.py	(revision 26014)
@@ -127,7 +127,7 @@
                 md = checkfield(md, 'fieldname', 'initialization.channelarea', 'NaN', 1, 'Inf', 1, '>=', 0, 'size', [md.mesh.numberofelements])
         if 'SamplingAnalysis' in analyses and not solution == 'TransientSolution' and not md.transient.issampling:
             if np.any(np.isnan(md.initialization.sample)):
-                md = checkfield(md,'fieldname','initialization.sample','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices 1])
+                md = checkfield(md,'fieldname','initialization.sample','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices])
         return md
     # }}}