How To Fix M&128 - The values for fields with FORM routines will be ignored

SAP Error Message - Details

• Message type: E = Error

• Message class: M& -

• Message number: 128

• Message text: The values for fields with FORM routines will be ignored

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 M&128 - The values for fields with FORM routines will be ignored ?

  The SAP error message M&128 indicates that the values for fields that are processed with FORM routines will be ignored. This typically occurs in the context of material management or inventory management processes, particularly when dealing with material documents or transactions that involve user-defined routines.
  Cause:
  The error is usually caused by one of the following reasons:
  
  
  FORM Routines: The fields in question are being processed by a FORM routine, which means that the values assigned to these fields are not being accepted or recognized by the system during the execution of the routine.
  
  
  Field Configuration: The fields may not be configured correctly in the system, or the FORM routine may not be set up to handle the values being passed to it.
  
  
  Data Inconsistency: There may be inconsistencies in the data being processed, such as incorrect data types or unexpected values that the FORM routine cannot handle.
  
  
  Custom Code: If there are custom enhancements or modifications in the system, they may be interfering with the standard processing of the fields.
  
  
  Solution:
  To resolve the M&128 error, you can take the following steps:
  
  
  Check FORM Routines: Review the FORM routines associated with the fields in question. Ensure that they are correctly implemented and that they can handle the values being passed to them.
  
  
  Field Configuration: Verify the configuration of the fields in the relevant transaction or material document. Ensure that they are set up correctly and that there are no missing or incorrect settings.
  
  
  Data Validation: Validate the data being entered or processed. Ensure that the values conform to the expected formats and types that the FORM routines can handle.
  
  
  Debugging: If you have access to the ABAP development environment, you can debug the FORM routines to identify where the values are being ignored. This can help pinpoint the exact cause of the issue.
  
  
  Consult Documentation: Check SAP documentation or notes related to the specific transaction or process you are working with. There may be known issues or additional guidance available.
  
  
  Contact Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be working with transaction codes like MB1A, MB1B, or MB1C, which are related to material movements.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  Custom Enhancements: If your organization has implemented custom enhancements, review them to ensure they are not causing conflicts with standard SAP processes.
  
  By following these steps, you should be able to identify and resolve the cause of the M&128 error message in SAP.