This disk contains mismatched GPT and MBR partition

When trying to clone Win7 disk into an image using Clonezilla, process failed and message "This disk contains mismatched GPT and MBR partition".

To solve this, using the command prompt of the Clonezilla,  enter sudo sgdisk -z /dev/sda
Normally is sda, sometimes it could be sdb if you mount the disk as second harddisk. Be aware that it is sda, not sda1 or sda2, if you type sda1 it may damage the boot record.

In case the boot record is damage, you saw a error message "A disk read error occurred" when you start the windows.

To solve this:-
1. boot the computer using windows installation disk.
2. select repair windows.
3. select startup recovery.
4. restart the computer.

If the problem still persist,
1. boot the computer using windows installation disk.
2. select repair windows
3. select command prompt.
4. enter 

bootrec.exe /fixmbr
bootrec.exe /fixboot
bootrec.exe /rebuildbcd

5. restart the computer