IO port 'sys_clk' is driving multiple buffers. This will lead to unplaceable/unroutable situation. The buffers connected are: video_clock_inst/inst/clkin1_ibufg {IBUF} adc_pll_inst/inst/clkin1_ibufg {IBUF}

[Place 30-602] IO port ‘sys_clk’ is driving multiple buffers. This will lead to unplaceable/unroutable situation.
The buffers connected are:
video_clock_inst/inst/clkin1_ibufg {IBUF}
adc_pll_inst/inst/clkin1_ibufg {IBUF}

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