Business Template: do not fail if some related keys are overwritten. XXX too

simpiistic

product/ERP5/Document/BusinessTemplate.py

@@ -4212,7 +4212,10 @@ class CatalogKeyTemplateItemBase(BaseTemplateItem):
       if key in catalog_key_list:
         key_list.append(key)
       elif not self.is_bt_for_diff:
-        raise NotFound, '%s %r not found in catalog' %(self.key_title, key)
+        # here, we use 'LOG' instead of 'raise', because it can
+        # happen when a related key is overloaded by another business template.
+        LOG('BusinessTemplate', WARNING, '%s %r not found '
+            % (self.key_title, key))
     if len(key_list) > 0:
       self._objects['%s/%s' % (self.__class__.__name__, self.key_list_title)] = key_list