implemented most of Mike's suggestions

rowers/views.py

@@ -12,6 +12,7 @@ from PIL import Image
 from numbers import Number
 from django.views.generic.base import TemplateView
 from django.db.models import Q
+from django import template
 from django.db import IntegrityError, transaction
 from django.shortcuts import render
 from django.http import (
@@ -6049,11 +6050,24 @@ def workout_workflow_view(request,id):
 
     statcharts = GraphImage.objects.filter(workout=row)
         
-    # This will be user configurable in the future
-    middleTemplates = r.workflowmiddlepanel
 
-    leftTemplates = r.workflowleftpanel
+    middleTemplates = []
+    for t in r.workflowmiddlepanel:
+        try:
+            template.loader.get_template(t)
+            middleTemplates.append(t)
+        except template.TemplateDoesNotExist:
+            pass
 
+    leftTemplates = []
+    for t in r.workflowleftpanel:
+        try:
+            template.loader.get_template(t)
+            leftTemplates.append(t)
+        except template.TemplateDoesNotExist:
+            pass
+
+    
     return render(request,
                   'workflow.html',
                   {