XI/PI no access to system landscape at present

An error is reported when you execute sxmb_adm-> integration engine configuration-> check (F7,

"No access to system landscape at present"

Sldcheck error:

No corresponding business system found for system RET client 300

Please check and maintain the SLD content for the current client

Sxmb_adm check error

No access to system landscape at present

Solution: log on to the SLD, remove client 300, and run rz70 In the RET system to register again,

Log on to the VA system, resend the SLD data, and recreate the business system.

This configuration is generally encountered in the ABAP proxy configuration.