Index: /issm/trunk-jpl/src/c/objects/Numerics/Vector.cpp
===================================================================
--- /issm/trunk-jpl/src/c/objects/Numerics/Vector.cpp	(revision 11738)
+++ /issm/trunk-jpl/src/c/objects/Numerics/Vector.cpp	(revision 11739)
@@ -112,5 +112,8 @@
 
 	#ifdef _HAVE_PETSC_
-	VecView(this->vector,PETSC_VIEWER_STDOUT_WORLD);
+	if(!this->vector){
+		printf("Vector size: 0\n");
+	}
+	else VecView(this->vector,PETSC_VIEWER_STDOUT_WORLD);
 	#else
 	this->vector->Echo();
@@ -209,6 +212,6 @@
 		
 	#ifdef _HAVE_PETSC_
-		_assert_(this->vector);
-		VecGetSize(this->vector,pM);
+		if(!this->vector)*pM=0;
+		else VecGetSize(this->vector,pM);
 	#else
 		this->vector->GetSize(pM);
@@ -221,6 +224,6 @@
 		
 	#ifdef _HAVE_PETSC_
-		_assert_(this->vector);
-		VecGetLocalSize(this->vector,pM);
+		if(!this->vector)*pM=0;
+		else VecGetLocalSize(this->vector,pM);
 	#else
 		this->vector->GetLocalSize(pM);
@@ -236,7 +239,8 @@
 	#ifdef _HAVE_PETSC_
 		Vec vec_output=NULL;
-		_assert_(this->vector);
-		VecDuplicate(this->vector,&vec_output);
-		output->vector=vec_output;
+		if(!this->vector){
+			VecDuplicate(this->vector,&vec_output);
+			output->vector=vec_output;
+		}
 	#else
 		output->vector=this->vector->Duplicate();
@@ -300,5 +304,5 @@
 
 	#ifdef _HAVE_PETSC_
-		VecCopy(this->vector,to->vector);
+		if(this->vector) VecCopy(this->vector,to->vector);
 	#else
 		this->vector->Copy(to->vector);