SAP Message RSM1037 - No active transfer rules for source system &2 InfoSource &1

Diagnosis No active transfer rule for source system &V2&, InfoSource &V1&. There are no active transfer structures for the combination of InfoSource &V1&, source system &V2&. You cannot therefore load anything from this source system into this InfoSource, or create InfoPackages. Procedure Assign an appropriate DataSource from source system &V2& to InfoSourceV1, and activate the transfer structure.