I am having the same issue here,
i have tried the above solution, and it didn’t work.
i am usin the strapi v4
here is the error logs.
[2022-03-12 12:55:44] ModuleNotFoundError: Module not found: Error: Can't resolve '@ckeditor/ckeditor5-react' in '/workspace/src/plugins/wysiwyg/admin/src/components/Editor'```