How To Fix KMAT_MIGR157 - No relation for varian &1 to gen. article class in table KSSK

KMAT_MIGR157 - Overview

• Message type: E = Error

• Message class: KMAT_MIGR - Message Class for Migration of Variants to IBase

• Message number: 157

• Message text: No relation for varian &1 to gen. article class in table KSSK

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 KMAT_MIGR157 - No relation for varian &1 to gen. article class in table KSSK ?

  The SAP error message KMAT_MIGR157 indicates that there is an issue with the configuration of a variant in relation to a general article class in the KSSK table. This error typically arises during the migration or processing of configurable materials (KMAT) in SAP, particularly when dealing with variant configuration.
  
  Cause:
  The error occurs when the system cannot find a valid relationship between the variant (the specific configuration of a product) and the general article class in the KSSK table. This can happen due to several reasons:
  
  Missing Entries: The variant may not have been properly defined in the system, or there may be missing entries in the KSSK table that link the variant to the general article class.
  Incorrect Configuration: The configuration settings for the variant may not align with the expected settings for the general article class.
  Data Migration Issues: If data was migrated from another system or from a previous version of SAP,