Twitter cards code not working

Hi,

There is an issue with Twitter Card data. I signed up for this functionnality but there is an error in the Twitter Card Preview :

Here is the error : Unknown Screen Name: twitter:creator; value=@https://www.twitter.com/rochdaniel

Here is the post : https://www.seomix.fr/questions-google-analytics/

Thanks for your help.

Regards,

https://www.ads-software.com/extend/plugins/wordpress-seo/