Warning: Undefined array key "album_id" in /home/bhagirathi/public_html/activities-details.php on line 4

Fatal error: 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 '' at line 1 in /home/bhagirathi/public_html/activities-details.php:7
Stack trace:
#0 /home/bhagirathi/public_html/activities-details.php(7): mysqli_query(Object(mysqli), 'SELECT * FROM a...')
#1 {main}
  thrown in /home/bhagirathi/public_html/activities-details.php on line 7