[casper] Problem compiling design using gpio yellow block

[O'Dwyer, Ian J (382G)]

Hi All

I am getting the following error from the gpio yellow block when attempting to 
compile a simple design to test the MDR output on the iBob.  Has anyone seen 
this before?

Thanks

Ian


##########################
## Creating EDK files   ##
##########################
Problem with block :
==============================================================
 Simulink Name: lvds_test/gpio1
 Parent System: lvds_test
 Block type: xps_gpio
 Ports:
    lvds_test_gpio1_gateway: {[1]  'out'  'gateway'}

 hw_sys = iBOB
 io_group = mdr
 bit_index = 2
 io_dir = out
 reg_iob = on
 arith_type = Boolean
 io_bitwidth = 1
 reg_clk_phase = 0
 use_ddr = false
 termtype = None
 single_ended = on
==============================================================
Reference to non-existent field 'mdr'.
Error using ==> gen_xps_mod_ucf at 91
Error found during IP UCF generation in MHS