ERROR (NRDB-631) in cadence encounter

#WARNING (NRIG-39) Pin clksel[1] doesn't have physical shapes !
#WARNING (NRIG-39) Pin clksel[0] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[27] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[26] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[25] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[24] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[23] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[22] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[21] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[20] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[19] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[18] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[17] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[16] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[15] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[14] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[13] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[12] doesn't have physical shapes !
#WARNING (NRIG-39) Pin address[11] doesn't have physical shapes !
#WARNING (NRIG-39 Repeated 20 times. Will be suppressed.) Pin address[10] doesn't have physical shapes !
#ERROR (NRDB-631) NET sdclk has more than one top-level logical pin

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