SAP Message RSTRAN817 - You cannot copy transf. &1 to a transf. with source &2 and target &3

Diagnosis You cannot copy the rules of transformation &V1& to the transformationwith source &V2& and target &V3&. The template transformation or thetarget transformation has a DataSource as source, and the othertransformation does not. This makes it impossible to copy. System Response The transformation is not copied. Procedure Create the transformation without a template or select a differenttemplate.