How To Fix SMT129 - Generation error (client-dependent): Mapping &1 step &2 version &3

SAP Error Message - Details

• Message type: E = Error

• Message class: SMT -

• Message number: 129

• Message text: Generation error (client-dependent): Mapping &1 step &2 version &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMT129 - Generation error (client-dependent): Mapping &1 step &2 version &3 ?

  The SAP error message SMT129, which indicates a "Generation error (client-dependent): Mapping &1 step &2 version &3," typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when there is an issue with the mapping configuration. This error can arise due to various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Mapping 
  Configuration Issues: The mapping configuration might be incorrect or incomplete. This could include missing or incorrect mapping parameters.
  Version Mismatch: The version of the mapping being referenced may not exist or may not be compatible with the current configuration.
  Client-Specific Data: The error is client-dependent, meaning that the issue may be specific to the client in which the error occurred. This could involve client-specific settings or data that are not properly configured.
  Transport Issues: If the mapping was transported from another system, there may have been issues during the transport process that led