SAP Message BSP_DYN_MSG_DESIGN015 - BOL object &1 does not exist (design object &2, parent BOL object &3)

Diagnosis
The &V1& business object layer
(BOL) object is not defined as a child object of the &V3& BOL objectin the respective BOL model.

System Response
The &V2& design objectcontains an error.

Procedure
Correct the definition of the &V2& design object with regards to theV1 bol object.
In the definition of the &V2& design object, use only BOL objects thatare positioned hierarchically below the &V3& BOL object throughrelationships of type Aggregation or Composition.