@User: You probably do; this is still on the

develop

branch. You can remove the whole thing if the DIE_AREA and PIN_ORDER_CFG are set correctly.

@Ahmed Ghazy Is using the pdn.tcl and _gen_pdn.tcl_ setup from _user_project_wrapper_empty_ also a must?

Not exactly a must, but the rings are what is going to power your design, and since they are outside the boundary of user_project_wrapper, then they must be untouched.