How To Fix DMC_AP021 - Reference field &1 does not have a rule call

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_AP - MWB: AP specific messages

• Message number: 021

• Message text: Reference field &1 does not have a rule call

What causes this issue?

Whenever there is a reference field attached to a field, The reference
field also should have a rule call attached to it .This is needed
because without the reference field the information is incomplete.

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

For example :
The column 'Reference Field' in rule modeler applies to receiver fields
with a field
type Quantity (QUAN) or Currency (CURR). It contains fields of the same
receiver node exclusively or is left initial in case of receiver fields
which do not have datatype Quantity or Currency.
The types of Reference Fields are restricted, too.They can be as
follows:
Fields of type Quantity can have Reference Fields of type 'UNIT'.
Fields of type Currency can have Reference Fields of type 'CUKY'.

System Response

You get the message '

How to fix this error?

Go to View modeler in Define recipient range step
Mark the reference field as active for maximum view
Maintain Semantic desctiptor for both reference field and the field
which has a reference field
Regenerate rules.

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 DMC_AP021 - Reference field &1 does not have a rule call ?

  The SAP error message DMC_AP021 indicates that a reference field in your data model does not have an associated rule call. This typically occurs in the context of SAP Data Management or SAP Data Intelligence, where data transformation and validation rules are applied to ensure data integrity and consistency.
  Cause:
  
  Missing Rule Definition: The reference field specified in the error message does not have a corresponding rule defined in the data model. This means that the system is unable to find a rule that dictates how to handle or validate the data in that field.
  Incorrect Configuration: There may be a misconfiguration in the data model or the rules associated with it, leading to the absence of a rule for the reference field.
  Data Model Changes: If the data model has been modified (e.g., fields added or removed), it may lead to inconsistencies where some fields are left without rules.
  
  Solution:
  
  
  Define a Rule: Check the data model and ensure that a rule is defined for the reference field mentioned in the error message. You can do this by:
  
  Navigating to the relevant data model in SAP Data Management or Data Intelligence.
  Adding or modifying the rule for the reference field to ensure it has the necessary logic for processing.
  
  
  
  Review Data Model Configuration: Ensure that the data model is correctly configured. Look for any discrepancies or missing links between fields and their corresponding rules.
  
  
  Check for Updates: If you have recently updated your data model or rules, ensure that all changes have been properly saved and activated.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to define rules for reference fields. This can provide insights into best practices and common configurations.
  
  
  Testing: After making changes, test the data model to ensure that the error no longer occurs and that the data is processed correctly.
  
  
  Related Information:
  
  SAP Data Management Documentation: Review the official SAP documentation for Data Management or Data Intelligence for detailed instructions on working with data models and rules.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team for further assistance.