Would you mind providing enough detail to make sense to others?
Edit: Which does not mean it may not possibly make sense to someone, but I think for the general public the information content of the op is insufficient.
When you try to upload an image in this forum (via the camera icon), it doesn't appear. The error message is "Object doesn't support property or method 'createContextualFragment'" . Yesterday I had this error too.
The image will be uploaded, but doesn't appear in the text form.
The only solution is to load the image to a webspace and set a HTML link , as I did with this error message: