How To Fix COM_PRODUCT_CUST402 - Key type &1 of set type &2 is not compatible with key type &3

COM_PRODUCT_CUST402 - Overview

• Message type: E = Error

• Message class: COM_PRODUCT_CUST - General Customizing Messages for Product Master

• Message number: 402

• Message text: Key type &1 of set type &2 is not compatible with key type &3

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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COM_PRODUCT_CUST402 - Details

• The SAP error message COM_PRODUCT_CUST402 indicates that there is a compatibility issue with key types in a set type configuration. This typically occurs in the context of product master data or configuration settings in SAP, particularly when dealing with characteristics and values in the context of variant configuration or product hierarchies.
  
  Cause:
  The error message is triggered when there is an attempt to use a key type that is not compatible with the expected key type for a specific set type. This can happen in various scenarios, such as:
  
  Incorrect Configuration: The configuration of the product or variant does not match the expected key types defined in the system.
  Data Inconsistency: There may be inconsistencies in the master data or configuration settings that lead to incompatible key types being referenced.
  Custom Development: If there are custom developments or enhancements in the system, they may inadvertently lead to this error if they do not adhere to