How To Fix HRHCP00_CUSTOMIZING021 - In the customer namespace the interface group "M" is not permissible

SAP Error Message - Details

• Message type: E = Error

• Message class: HRHCP00_CUSTOMIZING - Error Texts Customizing Personnel Cost Planning

• Message number: 021

• Message text: In the customer namespace the interface group "M" is not permissible

What causes this issue?

You are editing a data collection implementation in the customer
namespace. For data collectors in the customer namespace, only the
groups <ls>Data Collection Employee Data</> and <ls>Data Collection
Organizational Objects</> are allowed.

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 HRHCP00_CUSTOMIZING021 - In the customer namespace the interface group "M" is not permissible ?

  The SAP error message HRHCP00_CUSTOMIZING021 indicates that there is an issue with the interface group "M" in the customer namespace. This error typically arises in the context of SAP HR (Human Resources) or SAP HCM (Human Capital Management) when customizing or configuring certain aspects of the system.
  Cause:
  The error occurs because the interface group "M" is not allowed in the customer namespace. In SAP, certain namespaces are reserved for standard SAP objects, and custom developments or configurations should be done in the customer namespace (usually starting with "Z" or "Y"). The use of "M" suggests that there is an attempt to use a standard or reserved interface group in a way that is not permitted.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Customization Settings: Review the customization settings related to the interface groups in your SAP system. Ensure that you are not trying to use a reserved interface group.
  
  
  Use Customer Namespace: If you need to create or modify an interface group, ensure that you are using a valid customer namespace (e.g., starting with "Z" or "Y"). You may need to create a new interface group that adheres to this naming convention.
  
  
  Review Documentation: Consult the SAP documentation or help resources related to the specific module you are working with. This can provide insights into the correct usage of interface groups and any restrictions that may apply.
  
  
  Check for Existing Customizations: If there are existing customizations that reference the interface group "M", you may need to modify or remove those references to comply with the naming conventions.
  
  
  Consult with SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support or your SAP consultant for assistance. They can provide guidance based on your specific system configuration and requirements.
  
  
  Related Information:
  
  Namespace Conventions: In SAP, the customer namespace is typically reserved for custom developments. It's important to follow the naming conventions to avoid conflicts with standard SAP objects.
  Interface Groups: Interface groups are used to define a set of interfaces that can be used for data transfer or integration purposes. Understanding how these groups work can help in configuring them correctly.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context on interface group usage.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.