In response to silver-soul CommentedJul 9 at 16:36 on Papanito post. "Please do note that {theredirectURL} needs to be encoded , otherwise the error mentioned by @papanito in the comments does occur"
Would you happen to have an example of an encoded {theredirectURL} ? I'm in the same situation with my URL looking identical to the example provided by user papanito, except I get
The server cannot process the request because it is malformed. It should not be retried. That’s all we know.