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Edit Preview: Unrecognized value for parameter "useskin": modern.
Closed, DuplicatePublicBUG REPORT

Description

List of steps to reproduce (step by step, including full links if applicable):

What happens?:
Got this error without the preview:
An error occurred while attempting to preview your changes.
Unrecognized value for parameter "useskin": modern.

What should have happened instead?:
Shows HTML preview.

Software version (if not a Wikimedia wiki), browser information, screenshots, other information, etc:
Windows 7
Firefox 90.0.2 (64-bit)

  • This probably has been happening for me in the last week or so.
  • I am not using visual editor.
    • Skin: Modern
    • Preferences:Setting:Show preview without reloading the page
      • Preview with page submission, ie. without this option, is OK.

image.png (1×1 px, 150 KB)

Event Timeline

Restricted Application added a subscriber: Aklapper. · View Herald Transcript
Aklapper renamed this task from English Wikipedia: An error occurred while attempting to preview your changes. Unrecognized value for parameter "useskin": modern. to Edit Preview: Unrecognized value for parameter "useskin": modern..Aug 1 2021, 4:39 PM