RFC : SAPSLDAPI Error Details timeout during allocate / CPIC-CALL: 'ThSAPCMRCV' : cmRc=20 thRc=456 Timeout dur

Dear Expert,

Please your advice about the problem PI connection RFC, ECC to PI

first I trying add the parameter RZ10 PI:

gw/sec_info = 0

gw/reg_no_conn_info =1 ( for gw SLD_UC, worked) if im not give parameter RFC SLD_UC error.

gw/acl_mode =1

This RFC name SAPSLDAPI,

type RFC H.

I check SLD not have problem.

Please your advice master..

Regards

~Ruhul