diff --git a/LuaLibs/BeamLib.lua b/LuaLibs/BeamLib.lua
index 5a1d4c4..5093e6b 100644
--- a/LuaLibs/BeamLib.lua
+++ b/LuaLibs/BeamLib.lua
@@ -881,7 +881,7 @@ end
 
 -------------------------------------------------------------------------------------------------------------
 function BeamLib.GetStrategiesFromList( Proc, StrategyList)
-   -- cerco tra le feature 
+   -- cerco tra le feature
    for i = 1, #StrategyList.FEATURE do
       -- se trovo la feature
       if Proc.nPrc == StrategyList.FEATURE[i].nPrc then
@@ -899,16 +899,25 @@ function BeamLib.GetStrategiesFromList( Proc, StrategyList)
 
          -- si controlla gruppo
          if bGroupIsCompatible then
-            if #StrategyList.FEATURE[i].TopologyList == 1 and StrategyList.FEATURE[i].TopologyList[1].sName == 'Feature' then
-               return BeamLib.TableCopyDeep( StrategyList.FEATURE[i].TopologyList[1].StrategyList)
-            else
-               -- cerco tra le topologie
-               for j = 1, #StrategyList.FEATURE[i].TopologyList do
-                  -- se trovo la topologia
-                  if Proc.Topology.sName == StrategyList.FEATURE[i].TopologyList[j].sName then
-                     -- ritorno le strategie disponibili per la feature che sto analizzando
-                     return BeamLib.TableCopyDeep( StrategyList.FEATURE[i].TopologyList[j].StrategyList)
+            -- cerco tra le topologie
+            for j = 1, #StrategyList.FEATURE[i].TopologyList do
+               -- non si possono mischiare topologie specifiche con topologia 'Feature'. Se presente topologia 'Feature' allora deve essere esclusiva
+               if StrategyList.FEATURE[i].TopologyList[j].sName == 'Feature' and #StrategyList.FEATURE[i].TopologyList > 1 then
+                  error( "UNEXPECTED ERROR: topology 'Feature' can't be mixed with others")
+               end
+               -- se trovo la topologia oppure se è 'Feature'
+               if Proc.Topology.sName == StrategyList.FEATURE[i].TopologyList[j].sName or StrategyList.FEATURE[i].TopologyList[j].sName == 'Feature' then
+                  local ActiveStrategyList = {}
+                  -- aggiungo in lista solo le strategie attive
+                  if StrategyList.FEATURE[i].TopologyList[j].StrategyList then
+                     for k = 1, #StrategyList.FEATURE[i].TopologyList[j].StrategyList do
+                        if StrategyList.FEATURE[i].TopologyList[j].StrategyList[k].nIndexInList >= 0 then
+                           table.insert( ActiveStrategyList, BeamLib.TableCopyDeep( StrategyList.FEATURE[i].TopologyList[j].StrategyList[k]))
+                        end
+                     end
                   end
+                  -- ritorno le strategie disponibili per la feature che sto analizzando, altrimenti nil se non ho trovato nulla
+                  return EgtIf( #ActiveStrategyList > 0, ActiveStrategyList, nil)
                end
             end
          end