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

/SAPAPO/CDPSMATRIX106 - Overview

• 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

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.

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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