Warning: Undefined variable $link in /home/ae5okwebasia/public_html/program/update/publishedUpdatedFields/database.php on line 16

Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/ae5okwebasia/public_html/program/update/publishedUpdatedFields/database.php:16 Stack trace: #0 /home/ae5okwebasia/public_html/program/update/publishedUpdatedFields/database.php(16): mysqli_query(NULL, 'ALTER TABLE `ad...') #1 {main} thrown in /home/ae5okwebasia/public_html/program/update/publishedUpdatedFields/database.php on line 16