It happened to me as well. In my case I had given a command (CTRL+U to underline some words) that was not supported. I had to erase the underlined words to be able posting and stick to the Editor tools.
It happened to me as well. In my case I had given a command (CTRL+U to underline some words) that was not supported. I had to erase the underlined words to be able posting and stick to the Editor tools.
RE: Please remove the following HTML elements from your post: ins