Fatal error: Uncaught Error: Class "OCP\Migration\SimpleMigrationStep" not found in /usr/home/cr3wdrive/domains/cr3wdrive.useruno.com/public_html/apps/twofactor_backupcodes/lib/Migration/Version1002Date20170919123342.php:17
Stack trace:
#0 {main}
  thrown in /usr/home/cr3wdrive/domains/cr3wdrive.useruno.com/public_html/apps/twofactor_backupcodes/lib/Migration/Version1002Date20170919123342.php on line 17