2048 Hex Chain Merge

Error: Object of class Category could not be converted to string in /home/u552210258/domains/minigamz.com/public_html/classes/Category.php:89 Stack trace: #0 /home/u552210258/domains/minigamz.com/public_html/classes/Category.php(89): PDOStatement->bindValue(':name', Object(Category), 2) #1 /home/u552210258/domains/minigamz.com/public_html/includes/game_list.php(74): Category::getIdByName(Object(Category)) #2 /home/u552210258/domains/minigamz.com/public_html/content/themes/Theme1/functions.php(52): get_game_list_categories(Array, 12) #3 /home/u552210258/domains/minigamz.com/public_html/content/themes/Theme1/game.php(126): list_games_by_categories(Array, 12) #4 /home/u552210258/domains/minigamz.com/public_html/includes/page-game.php(47): require('/home/u55221025...') #5 /home/u552210258/domains/minigamz.com/public_html/index.php(196): require('/home/u55221025...') #6 {main}