How To Fix M2126 - Planning data exists - this data will be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 126

• Message text: Planning data exists - this data will be deleted

What causes this issue?

Planning data exists in one or more clients.

System Response

This data will be lost when you delete or change the information
structure.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M2126 - Planning data exists - this data will be deleted ?

  The SAP error message M2126 ("Planning data exists - this data will be deleted") typically occurs in the context of material planning and inventory management. This message indicates that there is existing planning data for a material that is about to be deleted or modified, and SAP is warning the user that this data will be lost.
  Cause:
  
  Existing Planning Data: The error arises when you attempt to delete or change a material or planning object that has associated planning data (e.g., forecasts, planned orders, etc.).
  Data Integrity: SAP is designed to maintain data integrity, and this message serves as a warning to prevent unintentional loss of important planning information.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Planning Data: Before proceeding with the deletion or modification, check the existing planning data for the material. You can do this by navigating to the relevant planning transaction (e.g., MD04 for stock/requirements list) to see what data exists.
  
  
  Decide on Action:
  
  If the planning data is no longer needed, you can proceed with the deletion. Make sure to confirm that you want to delete the data when prompted.
  If the planning data is still relevant, consider whether you need to adjust or archive it instead of deleting it.
  
  
  
  Use Appropriate Transactions: If you need to delete specific planning data, use the appropriate transaction codes (e.g., MD61 for forecast, MD62 for changing forecasts) to manage the data more granularly.
  
  
  Consult Documentation: Refer to SAP documentation or your organization's SAP support team for guidance on best practices for managing planning data.
  
  
  Backup Data: If possible, back up the planning data before deletion, especially if it is critical for future planning processes.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MD04: Stock/Requirements List
  MD61: Create Forecast
  MD62: Change Forecast
  MD63: Display Forecast
  
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message.
  User Roles: Ensure that you have the necessary authorizations to delete or modify planning data in SAP.
  
  By following these steps, you should be able to address the M2126 error effectively while ensuring that you manage your planning data appropriately.