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TPS92601-Q1: i am simulating sepic converter with this IC in ORCAD/PSPICE. i am getting errors. can you please help me to solve this.

Part Number: TPS92601-Q1
Other Parts Discussed in Thread: TPS92692-Q1

i am getting following errors if i try to simulate the following. i removed the wires and connected again. still i am facing problem.

ERROR(ORPSIM-15141): Less than 2 connections at node N19560. (this error is coming at R63 connected to Rt)

ERROR(ORPSIM-15142): Node N21041 is floating  (this error is coming at C34)

ERROR(ORPSIM-15142): Node N18713 is floating (this error is coming at U11, R64)

ERROR(ORPSIM-15142): Node N18721 is floating (this error is coming at U11, R64)

ERROR(ORPSIM-15142): Node N20869 is floating  (this error is coming at C33)

ERROR(ORPSIM-15142): Node X_U10.GX is floating (this error is coming at U10)

can you please tell me where can be the mistake. 

thank you,

sharmila.