title_body: How to get around a "withdrawal address format is wrong" error?
upvoted_answer: It may be that your copy/paste is carrying across more characters than you expect. It may contain a trailing whitespace or non-visible character (e.g. cr or newline).
  On Windows, I eliminate this possibility by pasting to notepad and then copying from notepad to the destination.
  Try with a small transaction first to verify the process and correct destination address.