How To Fix CM_SUB_MLI042 - Overwriting passed-on value assignments is not permitted

CM_SUB_MLI042 - Overview

• Message type: E = Error

• Message class: CM_SUB_MLI - Messages for Multilevel Inheritance

• Message number: 042

• Message text: Overwriting passed-on value assignments is not permitted

What causes this issue?

The settings in the inheritance template for the inheritance
relationship do not allow changes to passed-on data.

How to fix this error?

Set the required indicators in the inheritance template:
<LS><DS:DE.ESEFLG_DST_CHNG>Changes to target specifications
permitted</></> indicator to be allowed to overwrite value assignment
data temporarily
<LS><DS:DE.ESEFLG_INH_EXCL>Exclude from inheritance</></> to be allowed
to overwrite value assignment data permanently

Error message extract from SAP system. Copyright SAP SE.

CM_SUB_MLI042 - Details

• The SAP error message CM_SUB_MLI042 indicates that there is an attempt to overwrite passed-on value assignments in a context where it is not permitted. This typically occurs in the context of SAP's configuration or programming, particularly when dealing with value assignments in a function module, method, or similar constructs.
  
  Cause:
  The error usually arises due to one of the following reasons:
  
  Incorrect Value Assignment: You are trying to assign a new value to a parameter that has been passed by reference, which is not allowed in the current context.
  Function Module or Method Restrictions: The function module or method you are working with has specific rules regarding how parameters can be modified.
  Data Flow Issues: There may be a misunderstanding of how data is flowing through your program, leading to attempts to overwrite values that should remain constant.
  
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Review Parameter Types: Check the parameters of the function module or