How To Fix CM_EHENV_CDEF042 - Sampled data "&1" must be aggregated first when used in nested expression

CM_EHENV_CDEF042 - Overview

• Message type: E = Error

• Message class: CM_EHENV_CDEF -

• Message number: 042

• Message text: Sampled data "&1" must be aggregated first when used in nested expression

What causes this issue?

The input parameter for the sampled data must be aggregated first when
it is used in a nested expression of an aggregation.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHENV_CDEF042 - Sampled data "&1" must be aggregated first when used in nested expression ?

  The SAP error message CM_EHENV_CDEF042 indicates that there is an issue with how sampled data is being used in a nested expression within a calculation or query. This error typically arises when you attempt to use a sampled data set that has not been aggregated before being included in a nested expression.
  
  Cause:
  The error occurs because:
  
  Nested Expressions: You are trying to use a sampled data set directly in a nested expression without first aggregating it. In SAP, certain calculations require that data be aggregated (e.g., summed, averaged) before it can be used in further calculations or expressions.
  Data Context: The context in which the sampled data is being used does not allow for direct usage without aggregation. This is often the case in complex queries or calculations where the system expects a single value rather than a set of values.
  
  
  Solution:
  To resolve this error, you should:
  
  
  Aggregate the Sampled Data: Before using the sampled