Basic Type ZSCB035 does not exist

Dear Experts,

When I have checked the source system connection for Flat file ( PCLOAD --> Right click and select Check under source system ) I am getting the below given error message.

Error Message : Basic Type ZSCB035 does not exist.

Diagnosis

    IDoc type ZSCB035 could not be found.

System Response

Procedure

    Please enter an IDoc type that exists.

Please guide me to resolve this issue

Thanks,

Suresh.