How To Fix M_004 - Fields filled which are not allowed in material mapping (DI)

M_004 - Overview

• Message type: E = Error

• Message class: M_ - Messages for material field length extension mapping

• Message number: 004

• Message text: Fields filled which are not allowed in material mapping (DI)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message M_004 - Fields filled which are not allowed in material mapping (DI) ?

  The SAP error message M_004, which states "Fields filled which are not allowed in material mapping (DI)," typically occurs in the context of data import or data integration processes, particularly when dealing with material master data in SAP. This error indicates that there are fields in the material mapping that have been filled inappropriately or are not allowed according to the system's configuration.
  
  Cause:
  
  Incorrect Field Mapping: The fields that are being populated in the material mapping do not match the expected fields defined in the system. This could be due to incorrect configuration or misunderstanding of the data structure.
  Mandatory Fields Missing: Sometimes, the error can arise if mandatory fields are not filled, leading the system to reject the mapping.
  Data Format Issues: The data being imported may not conform to the expected format or data type for certain fields.
  Custom Fields: If there are custom fields in the material mapping that are not