I can not move an image within LibreOffice and don’t know what the reason is.
Upload a sample file, information is insufficient.
Add to your original question and don’t create a new question. For uploading I upvoted you so that you hopefully can upload your file.
@Grantler, Karma of 1 is sufficient for upload files. See AskLibO: How many "karma" are required for …? 2020