sld error in IR when importing SWCV

Hi

I'm unable to import any Software Component Version from the SLD into the Integration Repository. I ran transaction SLDCHECK, and successfully launched the SLD without any errors.

However, when I try to importing any software components from the SLD, the following error message is returned: Unable to read software component versions from System Landscape Directory "host addrres:50000"

in detail button

unable to import any Software Component Version from the SLD "host:50000"(swc_import_process_exception)

like this same 4 msgs comming

under this

unable to open connection to host"
host:500000".

the ip address of host could not be resolved. maybe

the URL is misspelled or the host dies no longer exist.

thess details comming in deatils button

Can anyone help please? it arzzent pls can any one help me

Many thanks in advance.