diff --git a/org.adempiere.base-feature/model.generator.launch b/org.adempiere.base-feature/model.generator.launch
index 73e58eaab0..dacc5ecabd 100644
--- a/org.adempiere.base-feature/model.generator.launch
+++ b/org.adempiere.base-feature/model.generator.launch
@@ -17,6 +17,7 @@
 <stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
 <stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="-os ${target.os} -arch ${target.arch} -nl ${target.nl} -consoleLog"/>
 <stringAttribute key="org.eclipse.jdt.launching.SOURCE_PATH_PROVIDER" value="org.eclipse.pde.ui.workbenchClasspathProvider"/>
+<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-DPropertyFile=/home/carlos/.idempiere/dcierp.properties"/>
 <stringAttribute key="org.eclipse.jdt.launching.WORKING_DIRECTORY" value="${workspace_loc}"/>
 <stringAttribute key="pde.version" value="3.3"/>
 <stringAttribute key="product" value="org.adempiere.server.server_product"/>
diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/GridTabRowRenderer.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/GridTabRowRenderer.java
index 76e1a38b64..8daa8c18e8 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/GridTabRowRenderer.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/GridTabRowRenderer.java
@@ -872,6 +872,8 @@ public class GridTabRowRenderer implements RowRenderer<Object[]>, RowRendererExt
 			
 			WEditor editor = editors.get(field);
 			boolean isEditable = field.isEditableGrid(true); 
+			if(editor == null)
+				continue;
 			editor.setReadWrite(isEditable);
 			if( isEditable )
 				gridPanel.refresh(gridTab);