Fatal error: Uncaught Error: Call to a member function exec() on null in /home/pijpiwo/domains/piwolucja.pl/public_html/generator/classes/BeerGenerator.class.php:343 Stack trace: #0 /home/pijpiwo/domains/piwolucja.pl/public_html/generator/classes/BeerGenerator.class.php(410): BeerGenerator->updateCounter() #1 /home/pijpiwo/domains/piwolucja.pl/public_html/generator/index.php(84): BeerGenerator->makeBeer(NULL) #2 {main} thrown in /home/pijpiwo/domains/piwolucja.pl/public_html/generator/classes/BeerGenerator.class.php on line 343