Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /mnt/web106/a1/52/5754752/htdocs/kulimi/class.rezept.php:452
Stack trace:
#0 /mnt/web106/a1/52/5754752/htdocs/kulimi/class.rezept.php(452): mysqli_query(NULL, 'select id,titel...')
#1 /mnt/web106/a1/52/5754752/htdocs/kulimi/print_pdf_A4q_1.php(11): rezept::get_content_for_printing('')
#2 {main}
  thrown in /mnt/web106/a1/52/5754752/htdocs/kulimi/class.rezept.php on line 452