diff --git a/series.py b/series.py
index 3b6cfcd..91f582d 100644
--- a/series.py
+++ b/series.py
@@ -83,23 +83,30 @@ def new_series():
 def series(id):
     ### DDP: should this be request.form or request.values?
     form = SeriesForm(request.form)
+    page_title='Edit Series'
     if request.method == 'POST' and form.validate():
-        series = Series.query.get(id)
-        if 'delete' in request.form:
-            st.SetMessage("Successfully deleted (id={}, title={})".format( series.id, series.title ) )
-            series = Series.query.filter(Series.id==id).delete()
-        if 'submit' in request.form:
-            st.SetMessage("Successfully Updated Series (id={})".format(id) )
-            series.title = request.form['title']
-            series.num_books = request.form['num_books']
-            series.calcd_rating = CalcAvgRating(id)
-            series.note = request.form['note']
-        db.session.commit()
-        return redirect( '/seriess' )
+        try:
+            series = Series.query.get(id)
+            if 'delete' in request.form:
+                st.SetMessage("Successfully deleted (id={}, title={})".format( series.id, series.title ) )
+                series = Series.query.filter(Series.id==id).delete()
+            if 'submit' in request.form:
+                st.SetMessage("Successfully Updated Series (id={})".format(id) )
+                series.title = request.form['title']
+                series.num_books = request.form['num_books']
+                series.calcd_rating = CalcAvgRating(id)
+                series.note = request.form['note']
+            db.session.commit()
+            return redirect( '/seriess' )
+        except SQLAlchemyError as e:
+            print("series -- error!")
+            st.SetAlert( "danger" )
+            st.SetMessage( "<b>Failed to modify Series:</b>&nbsp;{}".format(e.orig) )
+            return render_template("edit_id_name.html", form=form, page_title=page_title, alert=st.GetAlert(), message=st.GetMessage() )
     else:
         series = Series.query.get(id)
         form = SeriesForm(request.values, obj=series)
-    return render_template("series.html", form=form, page_title='Edit Series' )
+    return render_template("series.html", form=form, page_title=page_title )
 
 ################################################################################
 # Gets the Series matching id from DB, helper func in jinja2 code to show books