--- trunk/src/brains/SimCreator.cpp	2014/04/15 20:36:19	1983
+++ trunk/src/brains/SimCreator.cpp	2014/11/28 20:10:17	2045
@@ -228,7 +228,7 @@ namespace OpenMD {
     catch (OpenMDException& e) {
       sprintf(painCave.errMsg, 
               "%s\n",
-              e.getMessage().c_str());
+              e.what());
       painCave.isFatal = 1;
       simError();
     }
@@ -787,6 +787,10 @@ namespace OpenMD {
 
     if (simParams->getOutputElectricField() | simParams->haveElectricField()) {
       storageLayout |= DataStorage::dslElectricField;
+    }
+
+    if (simParams->getOutputSitePotential() ) {
+      storageLayout |= DataStorage::dslSitePotential;
     }
 
     if (simParams->getOutputFluctuatingCharges()) {