How To Fix /STTPEC/MC_MD123 - Material mismatch

SAP Error Message - Details

• Message type: E = Error

• Message class: /STTPEC/MC_MD -

• Message number: 123

• Message text: Material mismatch

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /STTPEC/MC_MD123 - Material mismatch ?

  The SAP error message /STTPEC/MC_MD123 Material mismatch typically occurs in the context of inventory management or material management processes. This error indicates that there is a discrepancy between the material data in the system and the data being processed, which can happen during various operations such as goods movements, inventory counts, or when processing material documents.
  Causes:
  
  Material Master Data Issues: The material master data may not be correctly maintained or may be inconsistent across different views (e.g., purchasing, sales, accounting).
  Batch Management: If batch management is enabled, the batch number may not correspond to the material being processed.
  Plant or Storage Location Issues: The material may not be available in the specified plant or storage location.
  Data Migration Issues: If data was migrated from another system, there may be inconsistencies or missing data.
  User Input Errors: Incorrect material numbers or details may have been entered by users.
  
  Solutions:
  
  Check Material Master Data: Verify that the material master data is correctly maintained. Check all relevant views (basic data, purchasing, sales, etc.) for the material in question.
  Validate Batch Information: If batch management is used, ensure that the batch number is valid and corresponds to the correct material.
  Review Plant and Storage Location: Confirm that the material is available in the specified plant and storage location. You can check this using transaction codes like MM03 (Display Material) or MMBE (Stock Overview).
  Data Consistency Checks: Run consistency checks to identify any discrepancies in the material data. This can be done using transaction codes like MM02 (Change Material) to review and correct any inconsistencies.
  User Training: Ensure that users are trained to enter the correct material numbers and details to avoid input errors.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide patches.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03, MMBE, MB1A, MB1B, and MB1C for material management tasks.
  SAP Documentation: Refer to SAP Help documentation for detailed information on material management processes and error handling.
  Support Community: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after checking these areas, it may be necessary to involve your SAP support team or consult with an SAP expert for further investigation.