How To Fix 12022 - MCHA standard fields on customer-specific tab page cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: 12 - Herstelldatum/Mindesthaltbarkeitsdatum/Chargen

• Message number: 022

• Message text: MCHA standard fields on customer-specific tab page cannot be changed

What causes this issue?

You want to edit a standard field of the batch master record on this
customer-specific tab.

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?

You can only edit customer-specific fields on this tab.

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 12022 - MCHA standard fields on customer-specific tab page cannot be changed ?

  The SAP error message 12022, which states "MCHA standard fields on customer-specific tab page cannot be changed," typically occurs when there is an attempt to modify standard fields in the MCHA (Material Master Storage Location Data) table on a custom tab page in the SAP GUI. This error is related to the way SAP handles data integrity and the restrictions placed on standard fields.
  Cause:
  
  Standard Fields Restriction: The MCHA table contains standard fields that are not meant to be modified directly through custom enhancements or user interfaces. SAP enforces this restriction to maintain data integrity and consistency across the system.
  Custom Tab Page Configuration: If you have created a custom tab page in the material master or any related transaction, and you are trying to change standard fields that are not allowed to be modified, this error will occur.
  Authorization Issues: Sometimes, the error may also arise due to insufficient authorizations to modify certain fields.
  
  Solution:
  
  Review Customization: Check the configuration of the custom tab page. Ensure that you are not trying to modify standard fields directly. If you need to display these fields, consider using read-only fields instead.
  Use User Exits or BAdIs: If you need to implement custom logic, consider using user exits or Business Add-Ins (BAdIs) that allow for safe modifications without violating SAP's integrity rules.
  Field Status Group: Review the field status group settings in the configuration. Ensure that the fields you are trying to modify are set up correctly in the field status group.
  Authorization Check: Verify that the user has the necessary authorizations to modify the fields in question. If not, you may need to adjust the user's roles and permissions.
  SAP Notes: Check for any relevant SAP Notes that may address this issue. Sometimes, SAP provides specific guidance or patches for known issues.
  
  Related Information:
  
  MCHA Table: This table contains storage location data for materials. Understanding its structure and the fields involved can help in troubleshooting.
  Material Master Data: Familiarize yourself with the material master data model in SAP, as it will provide context for the fields and their restrictions.
  SAP Documentation: Refer to SAP Help documentation for more details on customizing the material master and handling standard fields.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP team for further investigation, as they can provide deeper insights into the system's configuration and any potential custom code that may be affecting the behavior.