897 questions
Hello @ZoeHui-MSFT ,
yes, this is a known issue but there is a work-around.
Please go to the markdown representation of your post and check all the 'carriage returns'. Leave an extra line in-between.
Then post the message from there.
If the response helped, do "Accept Answer". If it doesn't work, please let us know the progress. All community members with similar issues will benefit by doing so. Your contribution is highly appreciated.