does not exist in dateIssueCSS. does not exist in backTokenCSS.<br />
<b>Warning</b>:  Undefined array key "" in <b>/var/www/html/pdf-cert/index.php</b> on line <b>135</b><br />
<br />
<b>Fatal error</b>:  Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, null given in /var/www/html/pdf-cert/index.php:135
Stack trace:
#0 {main}
  thrown in <b>/var/www/html/pdf-cert/index.php</b> on line <b>135</b><br />