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surveyjs / survey-creator

Scalable open-source survey software to generate dynamic JSON-driven forms within your JavaScript application. The form builder features a drag-and-drop UI, CSS Theme Editor, and GUI for conditional logic and form branching.
https://surveyjs.io/open-source
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The Uncaught TypeError: Cannot read properties of null (reading 'isDi… #5582

Closed andrewtelnov closed 2 weeks ago

andrewtelnov commented 2 weeks ago

…sposed') exception is thrown when adding a question from a toolbox and performing the Undo -> Redo -> Undo action fix #5581