SAP Message RSBM028 - InfoObject &1: The relevant unit InfoObject is not in the Cube

Diagnosis
InfoObject <(>&<)>v1<(>&<)>: the relevant unit InfoObject <(>&<)>v2
<(>&<)> is not in the Cube.

System Response
The generation of the Export InfoSource could not be carried out.

Procedure
Either change the unit field assignment of InfoObject <(>&<)>v1<(>&<)>,or add the InfoObject <(>&<)>v2<(>&<)> to the InfoCube, for which youwish to generate the Export InfoSource.