ID:171064 ECO Fit NOT successful

CAUSE: You directed the Fitter to check and save all netlist changes to verify the design netlist after making ECO changes to the design. However, the ECO Fitter could not incrementally place and route the design. This error can occur when there are duplicate signal names in the previous post-fitting netlist.

ACTION: Make sure the design does not have duplicate signal names and run the ECO Fitter again.