Warning: Undefined array key "Date" in /home/.sites/82/site6618913/web/kalender/events/data.php on line 7

Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY event_end' at line 5 in /home/.sites/82/site6618913/web/kalender/events/data.php:48
Stack trace:
#0 /home/.sites/82/site6618913/web/kalender/events/data.php(48): mysqli_query(Object(mysqli), 'SELECT \n\n* FROM...')
#1 {main}
  thrown in /home/.sites/82/site6618913/web/kalender/events/data.php on line 48