diff --git a/code/ryzom/server/src/ai_service/ai_bot.cpp b/code/ryzom/server/src/ai_service/ai_bot.cpp
index 6698de755..19e9d1589 100644
--- a/code/ryzom/server/src/ai_service/ai_bot.cpp
+++ b/code/ryzom/server/src/ai_service/ai_bot.cpp
@@ -720,7 +720,7 @@ void CBot::triggerSetSheet(AISHEETS::ICreatureCPtr const& sheet)
 		return;
 	}
 	
-	NLMISC::CSheetId sheetId= (BotRepopFx.get().empty()? NLMISC::CSheetId::Unknown: NLMISC::CSheetId(BotRepopFx));
+	NLMISC::CSheetId sheetId= (BotRepopFx.get().empty()? NLMISC::CSheetId::Unknown: NLMISC::CSheetId(BotRepopFx.get()));
 	if (getSpawnObj() && sheetId!=NLMISC::CSheetId::Unknown)
 	{
 		_SetSheetData = new CSetSheetData();
diff --git a/code/ryzom/server/src/ai_service/sheets.cpp b/code/ryzom/server/src/ai_service/sheets.cpp
index b8a444d58..5aae572a1 100644
--- a/code/ryzom/server/src/ai_service/sheets.cpp
+++ b/code/ryzom/server/src/ai_service/sheets.cpp
@@ -395,7 +395,7 @@ void AISHEETS::CCreature::readGeorges(NLMISC::CSmartPtr<NLGEORGES::UForm> const&
 	// the form was found so read the true values from George
 	_SheetId = sheetId;
 #ifdef NL_DEBUG
-	nlassert(debugSheet.get().empty() || _SheetId!=NLMISC::CSheetId(debugSheet));
+	nlassert(debugSheet.get().empty() || _SheetId!=NLMISC::CSheetId(debugSheet.get()));
 #endif
 	
 	item.getValueByName(_Level,"Basics.Level");
@@ -677,7 +677,7 @@ void AISHEETS::CCreature::serial(NLMISC::IStream &s)
 {
 	s.serial(_SheetId, _Level);
 #ifdef NL_DEBUG
-	nlassert(debugSheet.get().empty() || _SheetId!=NLMISC::CSheetId(debugSheet));
+	nlassert(debugSheet.get().empty() || _SheetId!=NLMISC::CSheetId(debugSheet.get()));
 #endif
 	
 	s.serial(_DynamicGroupCountMultiplier);
@@ -828,7 +828,7 @@ void AISHEETS::CRaceStats::readGeorges(NLMISC::CSmartPtr<NLGEORGES::UForm> const
 	// the form was found so read the true values from George
 	_SheetId = sheetId;
 #ifdef NL_DEBUG
-	nlassert(debugSheet.get().empty() || _SheetId!=NLMISC::CSheetId(debugSheet));
+	nlassert(debugSheet.get().empty() || _SheetId!=NLMISC::CSheetId(debugSheet.get()));
 #endif
 	
 	item.getValueByName(_Race, "Race");
@@ -843,7 +843,7 @@ void AISHEETS::CRaceStats::serial(NLMISC::IStream &s)
 {
 	s.serial(_SheetId);
 #ifdef NL_DEBUG
-	nlassert(debugSheet.get().empty() || _SheetId!=NLMISC::CSheetId(debugSheet));
+	nlassert(debugSheet.get().empty() || _SheetId!=NLMISC::CSheetId(debugSheet.get()));
 #endif
 	
 	s.serial(_SheetId);
diff --git a/code/ryzom/server/src/entities_game_service/modules/easter_egg.cpp b/code/ryzom/server/src/entities_game_service/modules/easter_egg.cpp
index 7f91f5d8c..9220db05f 100644
--- a/code/ryzom/server/src/entities_game_service/modules/easter_egg.cpp
+++ b/code/ryzom/server/src/entities_game_service/modules/easter_egg.cpp
@@ -73,7 +73,7 @@ void CR2EasterEgg::dropMissionItem(std::vector< CGameItemPtr > items, TSessionId
 	if( c != 0 )
 	{
 		CEntityState &pos = c->getState();
-		_SpawnEasterEgg( egg.EasterEggId, CSheetId(EaterEggBagSheet), aiInstanceId, pos.X, pos.Y, pos.Z, pos.Heading );
+		_SpawnEasterEgg( egg.EasterEggId, CSheetId(EaterEggBagSheet.get()), aiInstanceId, pos.X, pos.Y, pos.Z, pos.Heading );
 	}
 }
 
@@ -200,7 +200,7 @@ void CR2EasterEgg::activateEasterEgg(uint32 easterEggId, TSessionId scenarioId,
 	_EasterEgg.insert( make_pair( egg.EasterEggId, egg ) );
 
 	// send message to AIS for spawn the easter egg
-	_SpawnEasterEgg( egg.EasterEggId, CSheetId(EasterEggChestSheet), aiInstanceId, pos.PosState.X, pos.PosState.Y, pos.PosState.Z, pos.PosState.Heading, name, look );
+	_SpawnEasterEgg( egg.EasterEggId, CSheetId(EasterEggChestSheet.get()), aiInstanceId, pos.PosState.X, pos.PosState.Y, pos.PosState.Z, pos.PosState.Heading, name, look );
 }
 
 //----------------------------------------------------------------------------
@@ -272,7 +272,7 @@ void CR2EasterEgg::easterEggTPActChange(const NLMISC::CEntityId &characterId, co
 		{
 			_UnspawnEasterEgg( easterEggToTP[i].EasterEggId, easterEggToTP[i].InstanceId );
 			_RemoveEntityEasterAssociation( easterEggToTP[i].CreatureId, easterEggToTP[i].EasterEggId );
-			_SpawnEasterEgg(easterEggToTP[i].EasterEggId, CSheetId(EaterEggBagSheet), easterEggToTP[i].InstanceId, pos.PosState.X, pos.PosState.Y,pos.PosState.Z, pos.PosState.Heading, easterEggToTP[i].Name, easterEggToTP[i].Look );
+			_SpawnEasterEgg(easterEggToTP[i].EasterEggId, CSheetId(EaterEggBagSheet.get()), easterEggToTP[i].InstanceId, pos.PosState.X, pos.PosState.Y,pos.PosState.Z, pos.PosState.Heading, easterEggToTP[i].Name, easterEggToTP[i].Look );
 		}
 		easterEggToTP.clear();
 	}
diff --git a/code/ryzom/server/src/entities_game_service/player_manager/ring_reward_points.cpp b/code/ryzom/server/src/entities_game_service/player_manager/ring_reward_points.cpp
index 0d023a47a..5ba0fe8f9 100644
--- a/code/ryzom/server/src/entities_game_service/player_manager/ring_reward_points.cpp
+++ b/code/ryzom/server/src/entities_game_service/player_manager/ring_reward_points.cpp
@@ -638,7 +638,7 @@ CRingRewardPoints::TGenerateRewardResult CRingRewardPointsImpl::generateReward(R
 		}
 
 		// setup parameters for the reward items
-		NLMISC::CSheetId itemSheetId	= NLMISC::CSheetId(RingRPRewardItemSheet);
+		NLMISC::CSheetId itemSheetId	= NLMISC::CSheetId(RingRPRewardItemSheet.get());
 		uint16 quantity					= (uint16)RingRPRewardItemQuantity;
 		uint16 itemLevel				= (uint16)rewardLevel.asLevel();
 
@@ -715,7 +715,7 @@ CRingRewardPoints::TGenerateRewardResult CRingRewardPointsImpl::generateReward(R
 			insufficientRRP= false;
 
 			// setup parameters for the reward items
-			NLMISC::CSheetId itemSheetId	= NLMISC::CSheetId(RingRPRewardItemSheet);
+			NLMISC::CSheetId itemSheetId	= NLMISC::CSheetId(RingRPRewardItemSheet.get());
 			uint16 quantity					= (uint16)RingRPRewardItemQuantity;
 			uint16 itemLevel				= (uint16)rewardLevel.asLevel();