How To Fix COM_PRCAT089 - Assignment of set type &1 not possible due to invalid key type &2

COM_PRCAT089 - Overview

• Message type: E = Error

• Message class: COM_PRCAT - Product Category

• Message number: 089

• Message text: Assignment of set type &1 not possible due to invalid key type &2

Self-Explanatory Message

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COM_PRCAT089 - Details

• The SAP error message COM_PRCAT089 indicates that there is an issue with the assignment of a set type due to an invalid key type. This error typically arises in the context of SAP's Controlling (CO) module, particularly when dealing with cost planning or cost object controlling.
  
  Cause:
  The error occurs when there is an attempt to assign a set type (which is a collection of values or objects) to a key type that is not compatible or valid. This can happen due to several reasons:
  
  Incorrect Configuration: The set type may not be properly configured in the system, or the key type being used does not match the expected key type for that set.
  Data Inconsistency: There may be inconsistencies in the master data or configuration settings that lead to the mismatch.
  Missing or Incorrect Master Data: The key type may not exist in the system, or it may not be correctly defined in the