How To Fix /SAPAPO/MC01018 - Characteristic is being used in active objects, you cannot change type

/SAPAPO/MC01018 - Overview

• Message type: E = Error

• Message class: /SAPAPO/MC01 -

• Message number: 018

• Message text: Characteristic is being used in active objects, you cannot change type

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MC01018 - Characteristic is being used in active objects, you cannot change type ?

  The SAP error message /SAPAPO/MC01018 indicates that you are trying to change the type of a characteristic in SAP APO (Advanced Planning and Optimization) while it is still being used in active objects. This typically occurs when the characteristic is linked to various planning objects, such as InfoObjects, planning books, or other configurations that are currently active.
  
  Cause:
  
  Active Usage: The characteristic you are trying to modify is currently in use by active planning objects or configurations.
  Data Integrity: SAP enforces this restriction to maintain data integrity and prevent inconsistencies that could arise from changing the type of a characteristic that is actively being used.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Active Objects:
  
  Use transaction codes like /SAPAPO/MC62 (for characteristics) or /SAPAPO/MC63 (for InfoObjects) to check where the characteristic is being used.
  Look for any active planning books, data views, or other configurations that reference the characteristic.
  
  
  
  Deactivate or Remove Usage:
  
  If possible, deactivate or