<br />
<b>Warning</b>:  Trying to access array offset on value of type null in <b>/home/u335385788/domains/webtoolhero.com/public_html/tool.php</b> on line <b>18</b><br />
<br />
<b>Fatal error</b>:  Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')
      SELECT
          id,
          title,
          slug
      FROM
     ...' at line 19 in /home/u335385788/domains/webtoolhero.com/public_html/includes/db-helper.php:343
Stack trace:
#0 /home/u335385788/domains/webtoolhero.com/public_html/includes/db-helper.php(343): mysqli-&gt;query()
#1 /home/u335385788/domains/webtoolhero.com/public_html/tool.php(18): fetchFirstCategoryByTool()
#2 {main}
  thrown in <b>/home/u335385788/domains/webtoolhero.com/public_html/includes/db-helper.php</b> on line <b>343</b><br />