How To Fix MDU012 - Internal program error in routine &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MDU - Master Data Update: Master Data Lot

• Message number: 012

• Message text: Internal program error in routine &1

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 MDU012 - Internal program error in routine &1 ?

  The SAP error message MDU012, which states "Internal program error in routine &1," typically indicates that there is an unexpected issue within the SAP system's internal processing. This error can occur in various contexts, often related to data processing or program execution.
  Causes:
  
  Data Inconsistencies: The error may arise due to inconsistencies or corruption in the data being processed.
  Custom Code Issues: If there are custom enhancements or modifications in the SAP system, they might be causing the error.
  System Bugs: There could be a bug in the SAP standard code or a specific routine that is not functioning as intended.
  Configuration Issues: Incorrect configuration settings in the relevant modules can lead to this error.
  Version Compatibility: If the system is not updated or if there are compatibility issues between different components, it may trigger this error.
  
  Solutions:
  
  Check SAP Notes: Look for relevant SAP Notes in the SAP Support Portal. SAP frequently releases notes that address known issues and provide fixes or workarounds.
  Debugging: If you have access to the development environment, you can debug the program to identify the specific routine causing the error. This may require technical expertise.
  Data Validation: Ensure that the data being processed is valid and consistent. Check for any anomalies in the data that might be causing the error.
  Review Custom Code: If there are custom developments, review the code for any potential issues or conflicts with standard SAP processes.
  System Update: Ensure that your SAP system is up to date with the latest patches and updates, as these may resolve known issues.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check specific transaction codes related to the module in question.
  Logs and Traces: Review system logs (SM21) and application logs (SLG1) for additional context around the error.
  User Forums: Check SAP community forums or other user groups for similar issues and solutions shared by other users.
  
  Conclusion:
  The MDU012 error is indicative of an internal issue within the SAP system. Identifying the root cause may require a combination of data validation, debugging, and consulting SAP resources. Always ensure that you have backups and a proper change management process in place when making changes to the system.