Yocto poky sdcard issue


I am using a build from linuxlink for the DragonBoard410c and i have everything building fine. BUT when the final deploy files are generated the system doesn’t generate the sdcard file.
If i put in the IMAGE_FSTYPE = “sdcard” it throws an error that the class is not defined.
Does anyone know how to get it to generate the sdcard file?
as with most bugs, as soon as you ask for help you possibly find the answer:
This is what I am trying now:

I will update if it fixed it.
Best Regards,
Rob Berry