fix limit

enrollments-events/app/events/enroll.py

@@ -65,7 +65,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> list[str]
             deduplication_window=DeduplicationWindow(offset_days=90),
             linked_entities=frozenset({LinkedEntity(order_id, 'ORDER')}),
         )
-        ids.append(enrollment.id)
+        ids.append(str(enrollment.id))
 
     order_layer.update_item(
         key=KeyPair(new_image['id'], new_image['sk']),

enrollments-events/app/events/stopgap/patch_enroll.py

@@ -62,7 +62,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
 
 class CourseNotFoundError(Exception):
     def __init__(self, *args):
-        super().__init__('Course not found')
+        super().__init__('Course not found in SQLite')
 
 
 def _get_course(course_id: str) -> dict: