New error message Thảo_luận_Thành_viên:Mxn

Whenever I edit a page, I'm getting this error message:

Tiêu đề trang đã yêu cầu chứa ký tự không hợp lệ: “%E1”.

This seems like a bug in the software, since most Vietnamese-language article names will have this in their URL representation. NHD (thảo luận) 19:43, ngày 17 tháng 3 năm 2019 (UTC)

@DHN: I'm not seeing the error myself, but it would indicate that either the link you followed is malformed or the software is overescaping somewhere along the line. Do you have any editing-related beta features installed? Are you using VisualEditor, VisualEditor-powered source editing, or a plain-old text box? Is this in Chrome or another browser? – Nguyễn Xuân Minh 💬 23:34, ngày 17 tháng 3 năm 2019 (UTC)

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