Django-Grappelli：反向'grp_related_lookup'，参数'（）'和关键字参数'{}'未找到

I use django-grappelli to create orderable inlines on the admin site. Occasionally (not reproducibly - about 50% of the time, which is particularly weird), Django throws the following exception when I try to save the ordering from the inline:I use django-grappelli to create orderable inli