Enable Redirect to Last Page not working

Hi, I installed Simple Membership After Login Redirection addon and entered the specific url for the designated page under Membership Level settings. That part worked. I then put a check mark on Enable Redirect to Last Page under the Addon’s setting and proceed to test it. I got an error: “This site can’t be reached”. I clicked the Back Arrow on the browser to go back to previous page, I noticed the following in the url of the page:

https://frank-photography/zh/%E6%9C%83%E5%93%A1%E7%99%BB%E9%8C%84/?swpm_redirect_to=http%3A%2F%2Ffrank-photography%3A8080%2Fen%2Fevents%2Fbbq%2F

My test site is on a local installation and cannot provide you with access to see the screens.

Your help is appreciated.