field list of infosource is empty error while migrating from 3.5 to 7.4

Hi All,

We are trying to migrate 3.5 data flow to 7.4 using RSMIGRATE. We are facing issue with conversion of info source. Getting error message Filed List of InfoSource <info source> is empty.

can you please help me on this. thanks in advance.

Rajani Sankar.