ABAP SLD RZ70 to PO (Java) RFC Error

Dear Gurus,

We want to send ERP SLD via RZ70 to PO Java system. But we are taking related errors.

In ERP system, related gateway security parameters are already applied ;

gw/reg_no_conn_info = 0

gw/acl_mode = 0

----------------------------------------------------------------------------------

dev_rfc** ;

**** Versions SAP-REL 742,0,200 RFC-VER U 3 1592085 MT-SL

======> CPIC-CALL: 'ThSAPOCMINIT', communication rc: CM_PARAMETER_ERROR (cmRc=19), taskhandler rc: TP_REG_ACCESS_DENIED (thRc=748)

Internal error, session terminated

ABAP Programm: RSLDAGDS (Transaction: RZ70)

User: XXXX (Client: 200)

Destination: SLD_UC (Handle: 1, DtConId: 38AC8CE54655F16D80F0000C29DF76FD, DtConCnt: 0, ConvId: ,)

EPP RootContextId: 000C29DF76FD1ED5A39585D5E813E0F0, ConnectionId: 00000000000000000000000000000000, ConnectionCnt: 0

EPP TransactionId: 38AC8CE54655F12280F0000C29DF76FD

Error RFCIO_ERROR_SYSERROR in D:/depot/bas/742_REL/src/krn/rfc/abrfcpic.c : 1745

CPIC-CALL: 'ThSAPOCMINIT', communication rc: CM_PARAMETER_ERROR (cmRc=19), taskhandler rc: TP_REG_ACCESS_DENIED (thRc=748)

Internal error, session terminated

DEST =SLD_UC

HOST =%%RFCSERVER%%

PROG =SLD_UC

GWHOST =xxxxxxxl

GWSERV =sapgw01

-----------------------------------------------------------------------------------------

dev_w19 ;

M Mon Nov 16 23:51:47 2015

M *** ERROR => ThrtIGetT100: msg EGW 748 not found [thxxdynp.c 1867]

M {root-id=000C29DF76FD1ED5A39585D5E813E0F0}_{conn-id=00000000000000000000000000000000}_0

A RFC 1729 CONVID 14389100

A * CMRC=19 DATA=0 STATUS=0 SAPRC=748 ThSAPOCMINIT

A RFC> ABAP Programm: RSLDAGDS (Transaction: RZ70)

A RFC> User: xxxxxx (Client: 200)

A RFC> Destination: SLD_UC (handle: 1, DtConId: 38AC8CE54655F16D80F0000C29DF76FD, DtConCnt: 0, ConvId: ,)

M *** ERROR => ThrtIGetT100: msg EGW 748 not found [thxxdynp.c 1867]

A TH VERBOSE LEVEL FULL

A ** RABAX: end RX_GET_MESSAGE

---------------------------------------------------------------------------------------------------

SMGW ==> SECINFO ;

#VERSION=2

#

P USER=* USER-HOST=local HOST=local TP=*

P USER=* USER-HOST=local HOST=internal TP=*

P USER=* USER-HOST=internal HOST=local TP=*

----------------------------------------------------------------------------------------------------

SMGW ==> REGINFO ;

#VERSION=2

#

# file D:\usr\sap\SID\DVEBMGS00\data\reginfo.DAT not found, use internal default

#

P TP=*

-------------------------------------------------------------------------------

What could be the wrong ?

best regards