SNA错误：Locate search failed: LU not found

celavi

08:41:04 BEIST  27 Jun 2008 512-579(0-10) P (HOST_NAME)\r\nAn UNBIND RSP was received at a secondary LU\r\nLU name               = QR126   \r\nPU name               = PU00001 \r\nNAU address           = 7E\r\n\r\n……\r\n\r\n08:42:32 BEIST  27 Jun 2008 512-533(0-10) P (HOST_NAME)\r\nLocate search failed: LU not found.\r\nSense code           = 0x08400007\r\nOrigin CP name       = XXXXXX.XXXXXX12  \r\nOrigin LU name       = XXXXXX.XXXXXX12  \r\nDestination LU name  = XXXXXX.XXXXXX30  \r\n08:42:32 BEIST  27 Jun 2008 512-533(0-10) P (HOST_NAME)\r\nLocate search failed: LU not found.\r\nSense code           = 0x08400007\r\nOrigin CP name       = XXXXXX.XXXXXX12  \r\nOrigin LU name       = XXXXXX.XXXXXX12  \r\nDestination LU name  = XXXXXX.XXXXXX30  \r\n08:42:32 BEIST  27 Jun 2008 512-665(0-10) E (HOST_NAME)\r\nRTP Connection has been dropped by a local link failure.\r\nConnection name  = @R000004\r\nCOS              = #CONNECT\r\nRemote node name = XXXXXX30\r\nLocal TCID       = 000000000400BD8A\r\nRemote TCID      = 0519B79A0001283A\r\nLink name        = IPPLS   \r\n08:42:32 BEIST  27 Jun 2008 512-533(0-10) P (HOST_NAME)\r\nLocate search failed: LU not found.\r\nSense code           = 0x08400007\r\nOrigin CP name       = XXXXXX.XXXXXX12  \r\nOrigin LU name       = XXXXXX.XXXXXX12  \r\nDestination LU name  = XXXXXX.XXXXXX30  \r\n08:42:33 BEIST  27 Jun 2008 8196-3(213-1) P (HOST_NAME) PID 1163322 (progname)\r\nApplication has lost contact with the node.  LU name = QR130   \r\n\r\n有人知道这个错误产生的可能原因吗？