vb credits

Hello! I have vBulletin 4.2.2 with vBcredits Deluxe 2.1.0. Php 5.6. I noticed my error logs got huge and when I checked, I keep getting these errors every second. [Sat Aug 19 20:20:26 2017] [warn] [client 152.172.57.186] mod_fcgid: stderr: PHP Strict Standards: Non-static method...