Index: wflow-py/wflow/wf_DynamicFramework.py
===================================================================
diff -u -rf2c310d925a1a3704b3b40768ecaabcdf07fa6a3 -r86ff4fb5c93c2328e1fe08ea3e679ee857b3c870
--- wflow-py/wflow/wf_DynamicFramework.py	(.../wf_DynamicFramework.py)	(revision f2c310d925a1a3704b3b40768ecaabcdf07fa6a3)
+++ wflow-py/wflow/wf_DynamicFramework.py	(.../wf_DynamicFramework.py)	(revision 86ff4fb5c93c2328e1fe08ea3e679ee857b3c870)
@@ -1973,7 +1973,7 @@
                     "\\", "/"
                 )
 
-                try:
+                if os.path.exists(name):
                     tvar = self.wf_readmap(
                         name,
                         0.0,
@@ -1985,7 +1985,9 @@
                         setattr(self._userModel(), var, [])
                     getattr(self._userModel(), var).append(tvar)
                     nr = nr + 1
-                except:
+                else:
+                    if nr > 0:
+                        self.logger.info("state variable " + str(var) + " contains " + str(nr) + " state files (stack)")
                     stop = 1
 
             if nr == 0: