Djangocms:无法删除页面树中的页面

Question

当我打开页面树并尝试删除其中一个页面时，我遇到了一个关于GET actions-menu 500的错误：

我想知道这个错误是否是由于控制台中的bundle.admin.pagetree.min.js:1 [Deprecation] document.registerElement is deprecated and will be removed in M73, around March 2019. Please use window.customElements.define instead造成的

这是我的环境：

aldryn-apphooks-config     0.6.0
asgiref                    3.3.1
dj-database-url            0.5.0
Django                     3.1.7
django-admin-ip-restrictor 2.2.0
django-appdata             0.3.2
django-classy-tags         2.0.0
django-cms                 3.8.0
django-filer               2.0.2
django-formtools           2.2
django-ipware              3.0.2
django-js-asset            1.2.2
django-meta                2.0.0
django-mptt                0.11.0
django-parler              2.2
django-polymorphic         3.0.0
django-sekizai             2.0.0
django-sortedm2m           3.0.2
django-taggit              1.3.0
django-taggit-autosuggest  0.3.8
django-taggit-templatetags 0.2.5
django-templatetag-sugar   1.0
django-treebeard           4.4
djangocms-admin-style      2.0.2
djangocms-apphook-setup    0.4.1
djangocms-attributes-field 2.0.0
djangocms-blog             1.2.3
djangocms-bootstrap4       2.0.0
djangocms-file             3.0.0
djangocms-googlemap        2.0.0
djangocms-icon             2.0.0
djangocms-installer        2.0.0
djangocms-link             3.0.0
djangocms-picture          3.0.0
djangocms-snippet          3.0.0
djangocms-style            3.0.0
djangocms-text-ckeditor    4.0.0
djangocms-video            3.0.0
easy-thumbnails            2.7.1
html5lib                   1.1
lxml                       4.6.2
Pillow                     8.1.0
pip                        21.0.1
pkg-resources              0.0.0
pytz                       2021.1
setuptools                 44.0.0
six                        1.15.0
sqlparse                   0.4.1
tzlocal                    2.1
Unidecode                  1.1.2
webencodings               0.5.1

除此之外，我还有另一个问题：Djangocms: menu navigation error but it returned normal after zooming in······

谢谢你的帮助