The editor is blank

Hi there,

When I was going to edit a snippet, I got a “Uncaught TypeError” error, and the editor is blank, I can’t see or edit anything.

Uncaught TypeError: Cannot read properties of null (reading 'attach')
    at Object.keyMap (codemirror.min.js?ver=5.29.1-alpha-ee20357:22:19375)
    at new Pf (codemirror.min.js?ver=5.29.1-alpha-ee20357:22:22491)
    at Pf (codemirror.min.js?ver=5.29.1-alpha-ee20357:22:21646)
    at Function.fg [as fromTextArea] (codemirror.min.js?ver=5.29.1-alpha-ee20357:23:187)
    at d.codeEditor.initialize (code-editor.min.js?ver=6.0.2:2:1978)
    at edit.js?ver=3.2.1:1:2786
    at 8042 (edit.js?ver=3.2.1:1:3595)
    at i (editor.js?ver=3.2.1:1:123414)
    at edit.js?ver=3.2.1:1:7958
    at e (editor.js?ver=3.2.1:1:124148)

Anyone help?
Thanks!
Stanley