Ipsec error

Im trying to set up a ipsec connectivity with a hub, but i keep getting this error

CRYPTO-4-RECVD_PKT_INV_SPI: decaps: rec'd IPSEC packet has invalid spi for destaddr=216.34.3.2, prot=50, spi=0xA3E37FC5(2749595589), srcaddr=192.35.197.50

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Can anyone tell me what i need to be looking at?

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Thanks