How To Fix MD171 - Firstly delete dependent data for scenario &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 171

• Message text: Firstly delete dependent data for scenario &1

What causes this issue?

Dependent data exists for planning scenario &V1&. Due to influences on
system performance, dependent data firstly has to be deleted
separately.
Dependent data can be:

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

Planning file entries
Planned orders
MRP lists
Data in purchasing information system
Manual firming data
Simulative opening stock levels

System Response

The planning scenario cannot be deleted, as long as dependent data
still exists.

How to fix this error?

First of all, delete the dependent data for the scenario by using the
corresponding menu functions. Deleting dependent data is possible
online or as a background job.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD171 - Firstly delete dependent data for scenario &1 ?

  The SAP error message MD171, which states "Firstly delete dependent data for scenario &1," typically occurs in the context of Material Requirements Planning (MRP) or when dealing with planning scenarios in SAP. This error indicates that there are dependent data or objects that need to be deleted before you can delete or modify the specified planning scenario.
  Cause:
  The error is triggered when you attempt to delete or change a planning scenario that has dependent data associated with it. This dependent data could include:
  
  Forecasts
  Planning data
  MRP data
  Other related objects that are linked to the scenario you are trying to delete
  
  Solution:
  To resolve the MD171 error, you need to follow these steps:
  
  
  Identify Dependent Data: Determine what dependent data is associated with the planning scenario you are trying to delete. You can do this by checking the relevant tables or using transaction codes that provide insights into planning data.
  
  
  Delete Dependent Data: Once you have identified the dependent data, you need to delete it. This can typically be done through the following transactions:
  
  MD61: For deleting forecasts.
  MD02: For MRP-related data.
  MD04: To check stock/requirements list and identify dependent requirements.
  
  
  
  Delete the Planning Scenario: After all dependent data has been successfully deleted, you can proceed to delete the planning scenario using the appropriate transaction (e.g., transaction code for managing planning scenarios).
  
  
  Check for Errors: After performing the deletions, check for any additional error messages or warnings that may arise, and address them accordingly.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD61, MD02, MD04, and others that are used for managing planning data.
  Documentation: Refer to SAP documentation or help files for detailed instructions on managing planning scenarios and dependent data.
  SAP Notes: Check SAP Notes for any specific patches or updates related to the MD171 error, as there may be known issues or additional guidance provided by SAP.
  
  If you continue to experience issues after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in MRP and planning scenarios.