Add copyright with holder and year to the article page

Plz any help

Hi all
i need help , my OJS 3.0.2
i faced problem with change file as mention here pkp/pkp-lib#3329 display copyright info with CC license badge by bozana · Pull Request #1812 · pkp/ojs · GitHub
to add copyright holders of the articles
the result was white page !!!
why ??
plz how can add copyright to the articles(with author holder) like this


Hi @Ankush1,

Rather than investing time into modifying OJS 3.0.2, I’d strongly suggest upgrading to a more recent release; the way copyrights were managed has been improved since then, and you’ll get other benefits besides.

Alec Smecher
Public Knowledge Project Team