PIN assign error in DDR4

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PIN assign error in DDR4

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Hi,

Error(19179): The EMIF interface has an input connection from the core (tg|tg|not_srw.gen_avl_mm_driver[0].normal.inst|not_srw.amm_1x_bridge|amm_slave_byteenable[4]) that does not connect to a pin. Please review the top-level design to make sure all memory interface signals are connected to the top-level..

i am getting this error while doing compilation...but all my top level signal has made pin assignments...evethough i am getting this error...can anyone rectify this error?

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