System drops into the emergency mode after enabling Secure Boot

Issue

• System cannot boot the following messages after enabling Secure Boot.

  Required key not available
  
  Warning: /dev/Volgroup/lv_root does not exist
  Warning: /dev/Volgroup/lv_swap does not exist
  Warinig: /dev/mapper/Volgroup-lv_root does not exist
  
  Generating "/run/initramfs/rdsosreport.txt"
  
  Entering emergency mode. Exit the shell to continue.
  Type "journalctl" to viedw system logs.
  You might want to save "/run/initramfs/rdsosreport.txt" to a USB stick or /boot
  after mounting them and attach it to a bug report.
  
  dracut:/#