diff --git a/src/Interaction/contactSearch/methods/cellBased/NBS/NBS.cpp b/src/Interaction/contactSearch/methods/cellBased/NBS/NBS.cpp
index 916cb117..3b4410e5 100644
--- a/src/Interaction/contactSearch/methods/cellBased/NBS/NBS.cpp
+++ b/src/Interaction/contactSearch/methods/cellBased/NBS/NBS.cpp
@@ -46,7 +46,7 @@ pFlow::NBS::NBS
         diam),
     sizeRatio_(max(dict.getVal<real>("sizeRatio"), one)),
     cellExtent_(max(dict.getVal<real>("cellExtent"), half)),
-    adjustableBox_(dict.getVal<Logical>("adjustableBox")),
+    adjustableBox_(false),//adjustableBox_(dict.getVal<Logical>("adjustableBox")),
     NBSLevel0_
 	(
         this->domainBox_,
diff --git a/src/Interaction/contactSearch/methods/cellBased/NBS/mapperNBS.cpp b/src/Interaction/contactSearch/methods/cellBased/NBS/mapperNBS.cpp
index b0f16804..b0ebf6cf 100644
--- a/src/Interaction/contactSearch/methods/cellBased/NBS/mapperNBS.cpp
+++ b/src/Interaction/contactSearch/methods/cellBased/NBS/mapperNBS.cpp
@@ -23,7 +23,7 @@ Licence:
 #include "streams.hpp"
 
 pFlow::uint32 pFlow::mapperNBS::checkInterval_ = 1000;
-pFlow::real pFlow::mapperNBS::enlargementFactor_ = 1.1;
+pFlow::real pFlow::mapperNBS::enlargementFactor_ = 1.5;
 
 bool pFlow::mapperNBS::setSearchBox
 (
diff --git a/src/Interaction/sphereInteraction/boundaries/boundarySphereInteraction/boundarySphereInteraction.hpp b/src/Interaction/sphereInteraction/boundaries/boundarySphereInteraction/boundarySphereInteraction.hpp
index 221d09c4..2ea6015f 100644
--- a/src/Interaction/sphereInteraction/boundaries/boundarySphereInteraction/boundarySphereInteraction.hpp
+++ b/src/Interaction/sphereInteraction/boundaries/boundarySphereInteraction/boundarySphereInteraction.hpp
@@ -161,10 +161,13 @@ public:
     	const anyList& varList
 	) override
     {
-		
+		if(msg.equivalentTo(message::BNDR_RESET))
+		{
+			// do nothing 
+			return true;
+		}
 		pOutput<<"Function (hearChanges in boundarySphereInteractions)is not implmented Message "<<
 		 msg <<endl<<" name "<< this->boundaryName() <<" type "<< this->type()<<endl;
-		//notImplementedFunction;
 		return true;
 	}
 
diff --git a/src/Particles/Insertion/insertion/insertion.cpp b/src/Particles/Insertion/insertion/insertion.cpp
index bb551a47..8514a99c 100644
--- a/src/Particles/Insertion/insertion/insertion.cpp
+++ b/src/Particles/Insertion/insertion/insertion.cpp
@@ -81,7 +81,7 @@ pFlow::insertion::readInsertionDict()
 
 	if (active_)
 	{
-    	checkForCollision_ = getVal<Logical>("checkForCollision");
+    	//checkForCollision_ = getVal<Logical>("checkForCollision");
 
 		REPORT(1) << "Particle insertion mechanism is " << Yellow_Text("active")
 		          << " in the simulation." << END_REPORT;
diff --git a/src/Particles/Insertion/insertion/insertion.hpp b/src/Particles/Insertion/insertion/insertion.hpp
index f39f5c35..0c3ee885 100644
--- a/src/Particles/Insertion/insertion/insertion.hpp
+++ b/src/Particles/Insertion/insertion/insertion.hpp
@@ -42,7 +42,7 @@ private:
 	Logical    active_ = "No";
 
 	/// Check for collision? It is not active now
-	Logical    checkForCollision_ = "No";
+	Logical    checkForCollision_ = "Yes";
 
 	/// if increase velocity in case particles are failed
 	/// to be inserted due to collision
diff --git a/src/phasicFlow/containers/List/anyList/anyList.hpp b/src/phasicFlow/containers/List/anyList/anyList.hpp
index 0b655d56..91a93360 100644
--- a/src/phasicFlow/containers/List/anyList/anyList.hpp
+++ b/src/phasicFlow/containers/List/anyList/anyList.hpp
@@ -179,7 +179,17 @@ public:
 				"list of variables is \n"<<names_<<endl;
 				return false;
 			}
-			return getTypeName<T>() != types_[i];
+			return getTypeName<T>() == types_[i];
+		}
+
+		word getObjectTypeName(const word& name)const
+		{
+			int32 i = names_.findi(name);
+			if(i == -1 )
+			{
+				return "NAME_NOT_FOUND";
+			}
+			return types_[i];
 		}
 
 		/// Get the const reference to variable by name 
diff --git a/src/phasicFlow/containers/pointField/internalField/internalField.cpp b/src/phasicFlow/containers/pointField/internalField/internalField.cpp
index 87ab830e..58fd03e2 100644
--- a/src/phasicFlow/containers/pointField/internalField/internalField.cpp
+++ b/src/phasicFlow/containers/pointField/internalField/internalField.cpp
@@ -194,7 +194,9 @@ bool pFlow::internalField<T, MemorySpace>:: hearChanges
 		auto varName = message::eventName(message::RANGE_CHANGED);
 		if( !varList.checkObjectType<rangeU32>(varName) )
 		{
-			fatalErrorInFunction<<"Wrong type for variable "<< varName<<endl;
+			fatalErrorInFunction<<"Wrong type for variable "<< varName<<endl<<
+			"You requested "<< getTypeName<rangeU32>()<<" but the type is"<<
+			varList.getObjectTypeName(varName)<<endl;
 			return false;
 		}
 
diff --git a/src/phasicFlow/eventManagement/subscriber.cpp b/src/phasicFlow/eventManagement/subscriber.cpp
index ab5e7f24..e5aa6259 100644
--- a/src/phasicFlow/eventManagement/subscriber.cpp
+++ b/src/phasicFlow/eventManagement/subscriber.cpp
@@ -124,7 +124,7 @@ bool pFlow::subscriber::unsubscribe
 	return true;
 }
 
-bool pFlow::subscriber::notify
+/*bool pFlow::subscriber::notify
 (
 	uint32 iter,
 	real t,
@@ -151,7 +151,7 @@ bool pFlow::subscriber::notify
 		}
 	} 
 	return true;
-}
+}*/
 
 bool pFlow::subscriber::notify(const timeInfo &ti, const message msg, const anyList &varList)
 {
diff --git a/src/phasicFlow/eventManagement/subscriber.hpp b/src/phasicFlow/eventManagement/subscriber.hpp
index 2690b470..3c3c0396 100644
--- a/src/phasicFlow/eventManagement/subscriber.hpp
+++ b/src/phasicFlow/eventManagement/subscriber.hpp
@@ -69,12 +69,12 @@ public:
 	virtual bool unsubscribe(observer* obsevr)const;
 
 	/// TODO: remove this API from thie class 
-	bool notify(
+	/*bool notify(
 		uint32 iter,
 		real t,
 		real dt,
 		const message msg, 
-		const anyList& varList);
+		const anyList& varList);*/
 	
 	bool notify(
 		const timeInfo& ti,
diff --git a/src/phasicFlow/globals/error.cpp b/src/phasicFlow/globals/error.cpp
index d9d7efc3..7b0d3bc5 100644
--- a/src/phasicFlow/globals/error.cpp
+++ b/src/phasicFlow/globals/error.cpp
@@ -118,3 +118,10 @@ pFlow::fatalExitPhasicFlow(int errorCode)
 	pFlow::processors::abort(errorCode);
 	return errorCode;
 }
+
+pFlow::iOstream&
+pFlow::reportPing(const char* fileName, int fileLineNumber)
+{
+	errorStream<<"Ping! ("<<fileLineNumber<<"):"<<fileName<<endl;
+	return errorStream;
+}
diff --git a/src/phasicFlow/globals/error.hpp b/src/phasicFlow/globals/error.hpp
index f658e465..3dda0999 100644
--- a/src/phasicFlow/globals/error.hpp
+++ b/src/phasicFlow/globals/error.hpp
@@ -66,6 +66,8 @@ warningMessage(const char* fnName, const char* fileName, int linNumber);
 pFlow::iOstream&
 reportAndExit(int errorCode = EXIT_FAILURE);
 
+pFlow::iOstream& reportPing(const char* fileName, int fileLineNumber);
+
 }
 
 /// Report a fatal error and exit the applicaiton
@@ -99,4 +101,6 @@ reportAndExit(int errorCode = EXIT_FAILURE);
 /// Fatal exit
 #define fatalExit pFlow::reportAndExit()
 
+#define Ping pFlow::reportPing(__FILE__, __LINE__)
+
 #endif
diff --git a/src/phasicFlow/structuredData/boundaries/boundaryBase/boundaryBase.cpp b/src/phasicFlow/structuredData/boundaries/boundaryBase/boundaryBase.cpp
index 14ed5c5b..fa6fc30d 100644
--- a/src/phasicFlow/structuredData/boundaries/boundaryBase/boundaryBase.cpp
+++ b/src/phasicFlow/structuredData/boundaries/boundaryBase/boundaryBase.cpp
@@ -65,9 +65,7 @@ bool pFlow::boundaryBase::appendNewIndices
 		newIndices);
 
 	if(!notify(
-		internal_.time().currentIter(),
-		internal_.time().currentTime(),
-		internal_.time().dt(),
+		internal_.time().TimeInfo(),
 		msg,
 		varList))
 	{
@@ -109,18 +107,13 @@ bool pFlow::boundaryBase::removeIndices
 	}
 
 	anyList aList;
-	
+	message msgBndry;
+
 	aList.emplaceBack(
-		message::eventName(message::BNDR_RESET), 
+		msgBndry.addAndName(message::BNDR_RESET), 
 		std::move(keepIndices));
-	
-	message msgBndry 	= message::BNDR_RESET;
 
-	uint32 iter = time().currentIter();
-	real t = time().currentTime();
-	real dt = time().dt();
-
-	if( !this->notify(iter, t, dt, msgBndry, aList) )
+	if( !this->notify(time().TimeInfo(), msgBndry, aList) )
 	{
 		fatalErrorInFunction<<"Error in notify operation in boundary "<< 
 		name() <<endl;