Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, null given in /www/wwwroot/fontserver.ir/public_html/core/includes/functions.php:424
Stack trace:
#0 /www/wwwroot/fontserver.ir/public_html/core/includes/functions.php(424): array_keys()
#1 /www/wwwroot/fontserver.ir/public_html/core/themes/2/pages/font.php(256): getNumOfStyles()
#2 /www/wwwroot/fontserver.ir/public_html/index.php(113) : eval()'d code(1): getSingle2()
#3 /www/wwwroot/fontserver.ir/public_html/index.php(113): eval()
#4 {main}
thrown in /www/wwwroot/fontserver.ir/public_html/core/includes/functions.php on line 424