diff --git a/anabatic/src/LoadGlobalRouting.cpp b/anabatic/src/LoadGlobalRouting.cpp
index 90fb84ef..53615b9e 100644
--- a/anabatic/src/LoadGlobalRouting.cpp
+++ b/anabatic/src/LoadGlobalRouting.cpp
@@ -2147,6 +2147,12 @@ namespace {
       return;
     }
 
+    if (rpM1s.empty()) {
+      cerr << Error( "No METAL1 in Single GCell for Net \"%s\".", getString(net->getName()).c_str() ) << endl;
+      cdebug_tabw(145,-1);
+      return;
+    }
+
     sort( rpM1s.begin(), rpM1s.end(), SortRpByX(NoFlags) ); // increasing X.
 
     GCell* gcell1 = anbt->getGCellUnder( (*rpM1s.begin ())->getCenter() );
diff --git a/crlcore/etc/common/display.conf b/crlcore/etc/common/display.conf
index 215131c8..ca855467 100644
--- a/crlcore/etc/common/display.conf
+++ b/crlcore/etc/common/display.conf
@@ -63,10 +63,10 @@ stylesTable = \
   
       # Group: MIM6.
       , (Group  , 'MIM6')
-     #, (Drawing, 'topmim6', { 'color':'Blue'     , 'pattern':'poids2.8'         , 'threshold':0.80*scale })
-      , (Drawing, 'metbot' , { 'color':'Aqua'     , 'pattern':'light_antihash0.8', 'threshold':0.80*scale })
-      , (Drawing, 'cut6'   , { 'color':'LightPink', 'pattern':'light_antihash1.8', 'threshold':0.80*scale })
-      , (Drawing, 'metal7' , { 'color':'Green'    , 'pattern':'light_antihash2.8', 'threshold':0.80*scale })
+     #, (Drawing, 'topmim6' , { 'color':'Blue'     , 'pattern':'poids2.8'         , 'threshold':0.80*scale })
+      , (Drawing, 'metbot_r', { 'color':'Aqua'     , 'pattern':'light_antihash0.8', 'threshold':0.80*scale })
+      , (Drawing, 'cut6'    , { 'color':'LightPink', 'pattern':'light_antihash1.8', 'threshold':0.80*scale })
+      , (Drawing, 'metal7'  , { 'color':'Green'    , 'pattern':'light_antihash2.8', 'threshold':0.80*scale })
   
       # Group: Blockages.
       , (Group  , 'Blockages')
@@ -168,10 +168,10 @@ stylesTable = \
   
       # MIM6.
       , (Group  , 'MIM6')
-     #, (Drawing, 'topmim6', { 'color':'Blue'     , 'pattern':'poids2.32'         , 'threshold':0.80*scale })
-      , (Drawing, 'metbot' , { 'color':'Aqua'     , 'pattern':'light_antihash0.8' , 'threshold':0.80*scale })
-     #, (Drawing, 'padopen', { 'color':'LightPink', 'pattern':'light_antihash1.8' , 'threshold':0.80*scale })
-      , (Drawing, 'metal7' , { 'color':'Green'    , 'pattern':'light_antihash2.8' , 'threshold':0.80*scale })
+     #, (Drawing, 'topmim6' , { 'color':'Blue'     , 'pattern':'poids2.32'         , 'threshold':0.80*scale })
+      , (Drawing, 'metbot_r', { 'color':'Aqua'     , 'pattern':'light_antihash0.8' , 'threshold':0.80*scale })
+     #, (Drawing, 'padopen' , { 'color':'LightPink', 'pattern':'light_antihash1.8' , 'threshold':0.80*scale })
+      , (Drawing, 'metal7'  , { 'color':'Green'    , 'pattern':'light_antihash2.8' , 'threshold':0.80*scale })
   
       # Blockages.
       , (Group  , 'Blockages')
@@ -344,10 +344,10 @@ stylesTable = \
 
       # Group: MIM6.
       , (Group  , 'MIM6')
-     #, (Drawing, 'topmim6', { 'color':'Blue'     , 'pattern':'poids2.8'         , 'threshold':0.80*scale })
-      , (Drawing, 'metbot' , { 'color':'Aqua'     , 'pattern':'light_antihash0.8', 'threshold':0.80*scale })
-      , (Drawing, 'cut6'   , { 'color':'LightPink', 'pattern':'light_antihash1.8', 'threshold':0.80*scale })
-      , (Drawing, 'metal7' , { 'color':'Green'    , 'pattern':'light_antihash2.8', 'threshold':0.80*scale })
+     #, (Drawing, 'topmim6' , { 'color':'Blue'     , 'pattern':'poids2.8'         , 'threshold':0.80*scale })
+      , (Drawing, 'metbot_r', { 'color':'Aqua'     , 'pattern':'light_antihash0.8', 'threshold':0.80*scale })
+      , (Drawing, 'cut6'    , { 'color':'LightPink', 'pattern':'light_antihash1.8', 'threshold':0.80*scale })
+      , (Drawing, 'metal7'  , { 'color':'Green'    , 'pattern':'light_antihash2.8', 'threshold':0.80*scale })
 
       # Group: Blockages.
       , (Group  , 'Blockages')
diff --git a/crlcore/etc/common/technology.conf b/crlcore/etc/common/technology.conf
index a122865e..cde97b73 100644
--- a/crlcore/etc/common/technology.conf
+++ b/crlcore/etc/common/technology.conf
@@ -54,7 +54,7 @@ realLayersTable = \
     , ('cut7'         , BasicLayer.Material.cut     )
     , ('metal8'       , BasicLayer.Material.metal   )
    #, ('topmim6'      , BasicLayer.Material.other   )  # For Capacitances & Pads.
-   #, ('metbot'       , BasicLayer.Material.other   )
+    , ('metbot_r'     , BasicLayer.Material.other   )
    #, ('padopen'      , BasicLayer.Material.other   )
    #, ('alucap'       , BasicLayer.Material.other   )