Fix #1286

sapl/crispy_layout_mixin.py

@@ -67,6 +67,10 @@ def get_field_display(obj, fieldname):
             ou mesmo uma método no model.
         """
         value = getattr(obj, fieldname)
+
+        try:
+            verbose_name = value.model._meta.verbose_name
+        except AttributeError:
             verbose_name = ''
 
     else: