Career Span:
Fatal error: Uncaught TypeError: Return value of Player::getCareerSpan() must be of the type int, null returned in /home2/robinb2/oop.rugbydatabase.co.nz/player.php:432
Stack trace:
#0 /home2/robinb2/public_html/player/index.php(77): Player->getCareerSpan()
#1 {main}
thrown in /home2/robinb2/oop.rugbydatabase.co.nz/player.php on line 432
