diff --git a/crlcore/python/coriolisInit.py b/crlcore/python/coriolisInit.py
index 11b243f5..7253ec14 100644
--- a/crlcore/python/coriolisInit.py
+++ b/crlcore/python/coriolisInit.py
@@ -160,7 +160,7 @@ def coriolisConfigure():
 
  #sys.stdout.write(CRL.AllianceFramework.get().getEnvironment().getPrint())
 
-  if Cfg.getParamString('stratus1.mappingName').asString() == 'not_set':
+  if not Cfg.getParamString('stratus1.mappingName').asString():
     vendorTech  = helpers.realTechno.split('/')[-1]
     mappingFile = os.path.join( helpers.realDir, 'stratus.xml' )
     if not os.path.isfile(mappingFile): 
diff --git a/crlcore/python/helpers/stratus1.py b/crlcore/python/helpers/stratus1.py
deleted file mode 100644
index 3db3b676..00000000
--- a/crlcore/python/helpers/stratus1.py
+++ /dev/null
@@ -1,14 +0,0 @@
-
-import Cfg
-
-print "          - Loading Stratus 1 configuration."
-  
-# Status1 parameters.
-Cfg.getParamString("stratus1.mappingName").setString ("./stratus2sxlib.xml" )
-Cfg.getParamString("stratus1.mappingName").flags |=  Cfg.Parameter.Flags.NeedRestart|Cfg.Parameter.Flags.MustExist
-  
-# Stratus1 tab layout.
-layout = Cfg.Configuration.get().getLayout()
-layout.addTab       ( "Stratus1", "stratus1" )
-layout.addTitle     ( "Stratus1", "Stratus1 - Netlist & Layout Capture" )
-layout.addParameter ( "Stratus1", "stratus1.mappingName", "Virtual Library Translation", 0, 2 )
diff --git a/etesian/src/EtesianEngine.cpp b/etesian/src/EtesianEngine.cpp
index b38ce3a5..9f95a24c 100644
--- a/etesian/src/EtesianEngine.cpp
+++ b/etesian/src/EtesianEngine.cpp
@@ -468,8 +468,8 @@ namespace Etesian {
       Cell*     masterCell   = instance->getMasterCell();
 
       if (not masterCell->getAbutmentBox().isEmpty()
-         and (  (instance->getPlacementStatus() != Instance::PlacementStatus::PLACED)
-             or (instance->getPlacementStatus() != Instance::PlacementStatus::FIXED ) ) ) {
+         and (instance->getPlacementStatus() != Instance::PlacementStatus::PLACED)
+         and (instance->getPlacementStatus() != Instance::PlacementStatus::FIXED ) ) {
         throw Error( "EtesianEngine::toColoquinte(): Non-leaf instance \"%s\" of \"%s\" has an abutment box but is *not* placed."
                    , getString(instance  ->getName()).c_str()
                    , getString(masterCell->getName()).c_str()
diff --git a/hurricane/src/isobar/PyEntity.cpp b/hurricane/src/isobar/PyEntity.cpp
index 6c0c4e9a..af93d882 100644
--- a/hurricane/src/isobar/PyEntity.cpp
+++ b/hurricane/src/isobar/PyEntity.cpp
@@ -77,7 +77,7 @@ extern "C" {
 
   PyMethodDef PyEntity_Methods[] =
     { { "getCell"              , (PyCFunction)PyEntity_getCell       , METH_NOARGS , "Returns the entity cell." }
-    , { "destroy"               , (PyCFunction)PyEntity_destroy      , METH_NOARGS
+    , { "destroy"              , (PyCFunction)PyEntity_destroy       , METH_NOARGS
                                , "Destroy associated hurricane object, the python object remains." }
     , {NULL, NULL, 0, NULL}           /* sentinel */
     };
diff --git a/stratus1/src/stratus/st_getrealmodel.py b/stratus1/src/stratus/st_getrealmodel.py
index 6f3e8e42..4e28a3bb 100644
--- a/stratus1/src/stratus/st_getrealmodel.py
+++ b/stratus1/src/stratus/st_getrealmodel.py
@@ -55,6 +55,8 @@ def InitBV () :
   myP = InitParser()
 
   mapping = Cfg.getParamString('stratus1.mappingName').asString()
+  if not mapping:
+    print '[ERROR] \"stratus1.mappingName\" configuration variable has not been set.'
   myP.Parse ( mapping )
   return
 
diff --git a/stratus1/src/stratus/st_parser.py b/stratus1/src/stratus/st_parser.py
index 45611b0a..2fa7ac9f 100644
--- a/stratus1/src/stratus/st_parser.py
+++ b/stratus1/src/stratus/st_parser.py
@@ -47,7 +47,7 @@
 # x-----------------------------------------------------------------x
 
 import xml.parsers.expat
-import re, types
+import re, types, os.path
 
 BV   = []
 BVg  = []
@@ -165,6 +165,8 @@ class InitParser :
   # Parsing a file
   ################
   def Parse ( self, nameFile ) :
+    if not os.path.isfile(nameFile):
+      print '[ERROR] Parser.Parse(): stratus1.mappingName (\"%s\") file not found.' % nameFile
     self._p.ParseFile ( open ( nameFile, "r" ) )
 
     # Given the tab of the name of the cells, contruction of a tab giving the name of the generators (first letter uppered)