diff --git a/EXE_GdbCreateVol.cpp b/EXE_GdbCreateVol.cpp
index a61cec5..e70e203 100644
--- a/EXE_GdbCreateVol.cpp
+++ b/EXE_GdbCreateVol.cpp
@@ -45,7 +45,16 @@ ExeCreateVolZmap( int nParentId, const Point3d& ptIni, double dDimX, double dDim
   // creo lo Zmap nel suo riferimento intrinseco
    PtrOwner<IVolZmap> pVZM( CreateVolZmap()) ;
    bOk = bOk && ! IsNull( pVZM) ;
-   bOk = bOk && pVZM->Create( ORIG, dDimX, dDimY, dDimZ, dPrec, bTriDex) ;
+   if ( bOk) {
+      int nError = 0 ;
+      bOk = pVZM->Create( ORIG, dDimX, dDimY, dDimZ, dPrec, bTriDex, &nError) ;
+      if ( ! bOk) {
+         if ( nError == 1)
+            ExeOutLog( "EgtVolZmapBox too big for a 32-bit system") ;
+         else
+            ExeOutLog( "EgtVolZmapBox error number : " + ToString( nError)) ;
+      }
+   }
   // lo porto nel riferimento locale
    bOk = bOk && pVZM->ToGlob( frBox) ;
   // inserisco lo Zmap nel DB
@@ -88,7 +97,16 @@ int ExeCreateVolZmapEmpty( int nParentId, const Point3d& ptIni, double dDimX, do
   // creo lo Zmap nel suo riferimento intrinseco
    PtrOwner<IVolZmap> pVZM( CreateVolZmap()) ;
    bOk = bOk && ! IsNull( pVZM) ;
-   bOk = bOk && pVZM->CreateEmpty( ORIG, dDimX, dDimY, dDimZ, dPrec, bTriDex) ;
+   if ( bOk) {
+      int nError = 0 ;
+      bOk = pVZM->CreateEmpty( ORIG, dDimX, dDimY, dDimZ, dPrec, bTriDex, &nError) ;
+      if ( ! bOk) {
+         if ( nError == 1)
+            ExeOutLog( "EgtVolZmapEmpty too big for a 32-bit system") ;
+         else
+            ExeOutLog( "EgtVolZmapEmpty error number : " + ToString( nError)) ;
+      }
+   }
   // lo porto nel riferimento locale
    bOk = bOk && pVZM->ToGlob( frBox) ;
   // inserisco lo Zmap nel DB
@@ -130,7 +148,16 @@ ExeCreateVolZmapByRegionExtrusion( int nParentId, int nSfrId, double dDimZ, doub
   // creo lo Zmap nel suo riferimento intrinseco
    PtrOwner<IVolZmap> pVZM( CreateVolZmap()) ;
    bOk = bOk && ! IsNull( pVZM) ;
-   bOk = bOk && pVZM->CreateFromFlatRegion( *pSfr, dDimZ, dPrec, bTriDex) ;
+   if ( bOk) {
+      int nError = 0 ;
+      bOk = pVZM->CreateFromFlatRegion( *pSfr, dDimZ, dPrec, bTriDex, &nError) ;
+      if ( ! bOk) {
+         if ( nError == 1)
+            ExeOutLog( "EgtVolZmapByRegionExtrusion too big for a 32-bit system") ;
+         else
+            ExeOutLog( "EgtVolZmapByRegionExtrusion error number : " + ToString( nError)) ;
+      }
+   }
   // lo porto nel riferimento di destinazione
    bOk = bOk && pVZM->LocToLoc( frSfr, frDest) ;
   // inserisco lo Zmap nel DB
@@ -169,7 +196,16 @@ ExeCreateVolZmapFromSurfTm( int nParentId, int nStmId, double dPrec, bool bTriDe
   // creo lo Zmap nel suo riferimento intrinseco
    PtrOwner<IVolZmap> pVZM( CreateVolZmap()) ;
    bOk = bOk && ! IsNull( pVZM) ;
-   bOk = bOk && pVZM->CreateFromTriMesh( *pStm, dPrec, bTriDex, dExtraBox) ;
+   if ( bOk) {
+      int nError = 0 ;
+      bOk = pVZM->CreateFromTriMesh( *pStm, dPrec, bTriDex, dExtraBox, &nError) ;
+      if ( ! bOk) {
+         if ( nError == 1)
+            ExeOutLog( "EgtVolZmapFromSurfTm too big for a 32-bit system") ;
+         else
+            ExeOutLog( "EgtVolZmapFromSurfTm error number : " + ToString( nError)) ;
+      }
+   }
   // lo porto nel riferimento di destinazione
    bOk = bOk && pVZM->LocToLoc( frStm, frDest) ;
   // inserisco lo Zmap nel DB
diff --git a/EgtExecutor.rc b/EgtExecutor.rc
index a7c0e5e..edd62f3 100644
Binary files a/EgtExecutor.rc and b/EgtExecutor.rc differ