How To Fix MC072 - Mandatory key fields were applied automatically

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 072

• Message text: Mandatory key fields were applied automatically

What causes this issue?

A matchcode object must contain all the primary key fields of the
included tables which are not simultaneously foreign key fields. The
system automatically transfers these mandatory fields.

System Response

Pure log information.

How to fix this error?

No action need be taken.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC072 - Mandatory key fields were applied automatically ?

  The SAP error message MC072, which states "Mandatory key fields were applied automatically," typically occurs in the context of Material Management (MM) or Production Planning (PP) modules when certain mandatory fields are not filled in during a transaction or process. This message indicates that the system has automatically filled in some key fields to allow the process to continue, but it may not be the desired behavior.
  Cause:
  
  Missing Mandatory Fields: The most common cause of this error is that the user has not filled in all the required fields in a transaction. SAP requires certain fields to be filled in for the transaction to be processed correctly.
  Configuration Settings: The system may be configured to automatically fill in certain fields based on predefined rules or settings, which can lead to this message being triggered.
  User Input Errors: Users may inadvertently skip mandatory fields or enter incorrect data, leading to the system's automatic adjustments.
  
  Solution:
  
  Check Required Fields: Review the transaction you are trying to execute and ensure that all mandatory fields are filled in correctly. You can usually find out which fields are mandatory by looking for asterisks (*) next to the field labels.
  Review Configuration: If you have access to configuration settings, check if there are any settings that dictate how mandatory fields are handled. This may involve consulting with your SAP Basis or configuration team.
  User Training: Ensure that users are trained on the importance of filling in all required fields and understand the implications of the system's automatic adjustments.
  Debugging: If the issue persists, consider using transaction codes like SE80 or SE37 to debug the program or function module that is generating the error. This may require assistance from a developer or SAP consultant.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or updates regarding this error message. There may be patches or updates that address specific issues related to this error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may be involved in the process where the error occurs (e.g., MIGO, MB1A, CO01).
  SAP Documentation: Refer to SAP Help documentation for detailed information on the specific transaction and its required fields.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By addressing the missing mandatory fields and understanding the system's behavior, you can resolve the MC072 error and ensure smoother transaction processing in SAP.