How To Fix MDC_LOAD122 - Column "&1" is missing in "&2"

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_LOAD - Load Messages

• Message number: 122

• Message text: Column "&1" is missing in "&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_LOAD122 - Column "&1" is missing in "&2" ?

  The SAP error message MDC_LOAD122, which states "Column '&1' is missing in '&2'," typically occurs in the context of data loading or data extraction processes, particularly when working with SAP HANA or SAP BW (Business Warehouse) systems. This error indicates that a specific column expected in a data source or target table is not found.
  Cause:
  
  
  Schema Changes: The most common cause of this error is that the structure of the source or target table has changed. This could happen if:
  
  A column was removed from the source table.
  The data model was altered, and the column is no longer part of the expected schema.
  The data source or target table was not updated to reflect recent changes in the underlying data model.
  
  
  
  Incorrect Data Source: The data source being used may not match the expected structure. This can happen if:
  
  The wrong data source is selected for the data load.
  The data source is not properly configured.
  
  
  
  Data Transfer Issues: There may be issues with the data transfer process, such as:
  
  Incomplete or failed data loads.
  Mismatched data types or formats.
  
  
  
  Solution:
  
  
  Check Data Model: Verify the data model for both the source and target tables. Ensure that the column mentioned in the error message exists in the source table and is correctly mapped to the target table.
  
  
  Update Data Source: If the data source has changed, update the data source configuration in your data loading process to reflect the current schema.
  
  
  Recreate Data Source: If necessary, recreate the data source or the data model to ensure that it aligns with the current database schema.
  
  
  Data Load Monitoring: Monitor the data load process for any warnings or errors that may indicate issues with the data transfer. Check logs for additional details.
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific version of SAP you are using, as there may be known issues or patches available.
  
  
  Testing: After making changes, perform a test load to ensure that the issue is resolved and that the data is being loaded correctly.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or updates related to the MDC_LOAD122 error.
  Data Modeling Tools: Familiarize yourself with the data modeling tools in SAP BW or HANA Studio, as they can help you visualize and manage your data structures.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the MDC_LOAD122 error and implement a solution to resolve it.