How To Fix MAHD402 - When changing a material, AHD can only be displayed

SAP Error Message - Details

• Message type: E = Error

• Message class: MAHD - Messages for Alternative Historical Data

• Message number: 402

• Message text: When changing a material, AHD can only be displayed

What causes this issue?

For <DS:GLOS.3526BF19AFAB52B9E10000009B38F974>material</> &SYST-MSGV1&
and <DS:GLOS.3526BF3BAFAB52B9E10000009B38F974>plant</> &SYST-MSGV2&, the
use of <DS:GLOS.70086ED0D946154EBC7C6B32697A9C30>alternative historical
data</> (AHD) for the <DS:GLOS.3526C3DEAFAB52B9E10000009B38F974>forecast
</> is active. Alternative historical data (AHD) cannot be maintained
when changing a material; it can only be displayed.

System Response

The alternative historical data is displayed.

How to fix this error?

To maintain AHD manually, use the intended program (transaction
<DS:TRAN.WAHD2>WAHD2</>).

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MAHD402 - When changing a material, AHD can only be displayed ?

  The SAP error message MAHD402 typically occurs when you are trying to change a material in the Material Master, but the system indicates that the material is in a status where it can only be displayed (AHD - Active History Data). This usually means that the material is locked for changes due to certain conditions or settings in the system.
  Cause:
  
  Material Status: The material may be set to a status that restricts changes. This can happen if the material is flagged as obsolete or if it is in a specific lifecycle phase.
  Authorization Issues: The user may not have the necessary authorizations to make changes to the material.
  Data Locking: The material might be locked by another user or process, preventing changes.
  Configuration Settings: Certain configuration settings in the Material Management module may restrict changes to specific fields or data.
  
  Solution:
  
  Check Material Status: Verify the status of the material in the Material Master. If it is marked as obsolete or inactive, you may need to change its status or create a new material.
  Review Authorizations: Ensure that you have the necessary authorizations to change the material. You may need to contact your SAP security administrator to check your user roles.
  Unlock the Material: If the material is locked, identify the user or process that has locked it and resolve the issue. You can use transaction codes like SM12 to check for locks.
  Consult Configuration: If the issue persists, consult with your SAP configuration team to review the settings related to material changes. They may need to adjust the configuration to allow changes.
  Use Change Logs: If you need to track changes, consider using the change logs or history features in SAP to view past changes without modifying the current material.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02 (Change Material), MM03 (Display Material), and MM01 (Create Material).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for Material Management to understand the implications of material statuses and how they affect data changes.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support or your internal IT team for further assistance.