How To Fix /SAPAPO/CDPSMATRIX106 - Setup key &1 is in use; deletion is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CDPSMATRIX -

• Message number: 106

• Message text: Setup key &1 is in use; deletion is not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CDPSMATRIX106 - Setup key &1 is in use; deletion is not possible ?

  The SAP error message /SAPAPO/CDPSMATRIX106 indicates that a setup key (which is typically used in the context of production planning and detailed scheduling) is currently in use, and therefore, it cannot be deleted. This situation often arises in the Advanced Planning and Optimization (APO) module of SAP.
  Cause:
  
  Active Usage: The setup key is actively being used in one or more planning scenarios, such as in production orders, planning runs, or other related processes.
  Dependencies: There may be dependencies or references to the setup key in other objects or configurations, preventing its deletion.
  Locking Mechanism: SAP employs a locking mechanism to prevent changes to objects that are currently in use, which can lead to this error.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Usage:
  
  Check where the setup key is being used. You can do this by reviewing production orders, planning runs, or any other relevant transactions that might reference the setup key.
  Use transaction codes like /SAPAPO/CDPS (for setup matrix) or /SAPAPO/CDPSMATRIX to view the setup keys and their usage.
  
  
  
  Remove Dependencies:
  
  If the setup key is linked to any active processes, you may need to complete or delete those processes before you can delete the setup key.
  Ensure that there are no active planning runs or orders that reference the setup key.
  
  
  
  Check for Locks:
  
  Use transaction code SM12 to check for any locks on the setup key. If there are locks, you may need to wait for them to be released or contact the user who has locked the object.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or help files related to setup keys and their management in APO to ensure you are following the correct procedures.
  
  
  
  Contact Support:
  
  If you are unable to identify the cause or resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  
  
  Related Information:
  
  Setup Keys: These are used in production planning to define the setup times and costs associated with changing from one product to another in a manufacturing process.
  APO Module: Advanced Planning and Optimization is a part of SAP that helps organizations with supply chain planning, including demand planning, supply network planning, and production planning.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO that can help you manage setup keys and related objects.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.