Index: src/libchcore/TSubTaskArray.cpp
===================================================================
diff -u -N -r4fe995b304ea342b50293f92d3c1992b43b820f7 -r8068e0c351055554340ac9755d1bc846893bf2b8
--- src/libchcore/TSubTaskArray.cpp	(.../TSubTaskArray.cpp)	(revision 4fe995b304ea342b50293f92d3c1992b43b820f7)
+++ src/libchcore/TSubTaskArray.cpp	(.../TSubTaskArray.cpp)	(revision 8068e0c351055554340ac9755d1bc846893bf2b8)
@@ -132,7 +132,7 @@
 
 		for (const std::pair<TSubTaskBasePtr, bool>& tupleRow : m_vSubTasks)
 		{
-			if (tupleRow.first == NULL)
+			if (tupleRow.first == nullptr)
 				throw TCoreException(eErr_InternalProblem, L"SubTask is null", LOCATION);
 
 			tupleRow.first->Reset();