Can someone help me on why my hierarchy option is grayed out? I follow the instructions but can't find anywhere for me to turn it on.

Can someone help me on why my hierarchy option is grayed out? I follow the instructions but can't find anywhere for me to turn it on.
Hi @pnguyen1241 ,
It seems that the task table don't support this feature.
Supported table
Unsupported table
Best Regards,
Wearsky