I am also having the same problem. Mine says by ENDTIMESIGNS. It’s not a setting that I have to change from within Facebook because I managed to change it from ALEXANDER to ENDTIMESIGNS. Everytime I click the Facebook button I have this problem. I want the byline to say nothing. I don’t want an author added. I’ve tried plugins but nothing workes. I see you said to remove this code but I have Newspaper 6… where do I find this code to edit?