500 error crashes?

Question

PHP

Hosting is getting 500 error due to requests

$StartClass = new StartClass();

$month = date('F');
$data['UserStat'][0] = $StartClass->SqlGet('SELECT * FROM `UserStat` WHERE month =  "'.$month.'" ORDER BY id DESC LIMIT 1');
$data['UserStat'][1] = $StartClass->SqlGet('SELECT * FROM `UserStat` WHERE month =  "'.$month.'" ORDER BY id ASC LIMIT 1');

метод в классе
  public function SqlGet($query)
  {
    return self::$mysqli->query($query)->fetch_object();
  }

The table itself
Help to find the problem

Answer 1

And what's in the logs?

Answer 2

Look in the logs for specifics.
But these particular queries have one obvious problem: dev.mysql.com/doc/refman/5.6/en/keywords.html

Answer 3

I wrote the name of the table with a capital letter, corrected)