i use the xillybus core download from offcial website, and build the project use the TCL script(the vivado ver. is 2015.4), in my computer, it's ok ,and generate the bitstream. but when i copy this project from my computer to another computer, during impelement, the vivado(2015.4) error
[DRC 23-20] Rule violation (INBB-3) Black Box Instances - Cell 'xillybus_ins/xillybus_core_ins' of