The Callback URL of your Twitter application seems to be wrong.’

Error ‘The Callback URL of your Twitter application seems to be wrong.’ I have followed the instructions to set up the Twitter API. Whenever I try to enter the API token into ROP I get the message ‘The Callback URL of your Twitter application seems to be wrong.’ I am using the following format ( https://www.examplewebsite.com/wp-admin/admin.php?page=TweetOldPost) Obviously replacing with my own domain. Is this correct please?