1229386 	Export  fails with error “Unable to normalize unique ID due to activity diagram element
Added try-catch block for exception and added log messge in .logs
diff --git a/org.eclipse.epf.diagram.core/src/org/eclipse/epf/diagram/core/bridge/BridgeHelper.java b/org.eclipse.epf.diagram.core/src/org/eclipse/epf/diagram/core/bridge/BridgeHelper.java
index 3c7201d..ab285c4 100644
--- a/org.eclipse.epf.diagram.core/src/org/eclipse/epf/diagram/core/bridge/BridgeHelper.java
+++ b/org.eclipse.epf.diagram.core/src/org/eclipse/epf/diagram/core/bridge/BridgeHelper.java
@@ -424,24 +424,30 @@
 //		return null;
 //	}
 	
-	public static MethodElement getMethodElementFromAnnotation(EModelElement node, ResourceSet resourceSet) {
-		EAnnotation eAnnotation = node.getEAnnotation(UMA_ELEMENT);
-		if (eAnnotation != null) {
-			String uri = (String) eAnnotation.getDetails().get(UMA_URI);
-			if (uri != null) {
-				EObject o = resourceSet.getEObject(
-						URI.createURI(uri), false);
-				if (o instanceof MethodElement) {
-					return (MethodElement) o;
-				} else {
-					if(DEBUG) {
-						System.err.println("Not a method element: " + o); //$NON-NLS-1$
-					}
-				}
-			}
-		}
-		return null;
-	}
+	 public static MethodElement getMethodElementFromAnnotation(EModelElement node, ResourceSet resourceSet) { 
+         EAnnotation eAnnotation = node.getEAnnotation(UMA_ELEMENT); 
+         try { 
+             if (eAnnotation != null) { 
+                 String uri = (String) eAnnotation.getDetails().get(UMA_URI); 
+                 if (uri != null) { 
+                         EObject o = resourceSet.getEObject( 
+                                         URI.createURI(uri), false); 
+                         if (o instanceof MethodElement) { 
+                                 return (MethodElement) o; 
+                         } else { 
+                                 if(DEBUG) { 
+                                         System.err.println("Not a method element: " + o); //$NON-NLS-1$ 
+                                 } 
+                         } 
+                 } 
+             } 
+         } catch (Exception e) { 
+                 DiagramCorePlugin.getDefault().getLogger().logError(e); 
+                 return null; 
+         } 
+         
+         return null; 
+	 }
 	
 	/**
 	 * Gets the method element that the given diagram model object represents