[libreoffice-l10n] Pootle: 'NoneType' object has no attribute 'get_absolute_url'

Start from yeasterday when I am visiting this url
https://translations.documentfoundation.org/zh_CN/libo_ui/

I am getting the following error message:

服务器错误
发生了一个错误。 感谢您的耐心。
'NoneType' object has no attribute 'get_absolute_url'
如果需要帮助，您可用
d2d569614d1f4c4bb74754107e4395c6$fd13842bc941edccf26b54a3e41171df 引用这个错
误。

It seems only zh-CN for libreo. 4.2 is effected, others are fine.

could someone look into this issue? Tks. It blocks my translation.

Kevin Suo
From K-9 Mail Android
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