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CD4030B: always report ERROR(ORPSIM-15141): Less than 2 connections at node X_U2.XU1.NA1.

Part Number: CD4030B

when we use the CD4030B do the simulation test it always report the Error, even we use the XOR ,it also have problem .

could you please help to check whether it can run in the Pspice for IT .

or you can support a circuit model which can run directly.

thank you in advance.