Change lines 138 - 141 from
$htmlTxt.= ' <meta name="description" content="'.$titleOfPage.'" />'.PHP_EOL;
$htmlTxt.= ' <meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="viewport" content="user-scalable=yes,maximum-scale=2,height=device-height">'.PHP_EOL;
$htmlTxt.= ' <meta http-equiv="Content-Type" content="text/html; charset='.strtoupper($SITE['charset']).'"/>'.PHP_EOL;
to
$htmlTxt.= ' <meta name="description" content="'.$titleOfPage.'" />'.PHP_EOL;
$htmlTxt.= ' <meta name="apple-mobile-web-app-capable" content="yes" />'.PHP_EOL;
#$htmlTxt.= ' <meta name="viewport" content="user-scalable=yes,maximum-scale=2,height=device-height">'.PHP_EOL;
$htmlTxt.= ' <meta http-equiv="Content-Type" content="text/html; charset='.strtoupper($SITE['charset']).'"/>'.PHP_EOL;
I think after some test, that the viewport setting is the cause of the problem.
To busy tonight, will see tomorrow if that is a correct deduction and what typo or error in that line is causing this.
Wim