How To Fix MDC_LOAD123 - &1 contains an empty header in column &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_LOAD - Load Messages

• Message number: 123

• Message text: &1 contains an empty header in column &2

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 MDC_LOAD123 - &1 contains an empty header in column &2 ?

  The SAP error message MDC_LOAD123 indicates that there is an issue with the data being loaded into the system, specifically that the header of a data record is empty in a specified column. This error typically occurs during the data loading process in SAP, particularly when working with Master Data Consolidation (MDC) or similar data management processes.
  Cause:
  
  Empty Header: The most direct cause of this error is that the header for a specific column in the data file or data source is empty. This can happen if the data extraction process did not populate the header correctly or if there was an issue with the data file format.
  Incorrect Mapping: There may be a mismatch between the expected data structure in SAP and the actual structure of the incoming data. If the column headers in the data file do not match the expected headers in SAP, this error can occur.
  Data Source Issues: If the data is being pulled from an external source, there may be issues with the data extraction or transformation process that resulted in missing headers.
  
  Solution:
  
  Check Data File: Review the data file or source from which the data is being loaded. Ensure that all required headers are present and correctly named. If any headers are missing, add them accordingly.
  Validate Mapping: Ensure that the mapping of the data fields in the source file matches the expected fields in SAP. This includes checking for correct column names and data types.
  Data Quality Checks: Implement data quality checks to ensure that the data being loaded is complete and correctly formatted. This can include checks for null values, data types, and header completeness.
  Re-Extract Data: If the data source is external, consider re-extracting the data to ensure that it is complete and correctly formatted.
  Consult Documentation: Refer to SAP documentation or guides related to the specific data loading process you are using to ensure compliance with expected formats and structures.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the MDC_LOAD123 error. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., LSMW, MDG) that may be involved in the data loading process.
  Data Load Logs: Review the logs generated during the data load process for additional context or specific details about the error.
  Support: If the issue persists after checking the above points, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify and resolve the issue causing the MDC_LOAD123 error in your SAP system.