How To Fix SPXN193 - Signature is incompatible (different RFC function name)

SPXN193 - Overview

• Message type: E = Error

• Message class: SPXN - Proxy Generation

• Message number: 193

• Message text: Signature is incompatible (different RFC function name)

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 SPXN193 - Signature is incompatible (different RFC function name) ?

  The SAP error message SPXN193, which states "Signature is incompatible (different RFC function name)," typically occurs in the context of Remote Function Calls (RFC) when there is a mismatch between the function module signature in the calling system and the one in the target system. This can happen for several reasons, including changes in the function module, differences in the versions of the systems, or incorrect configuration.
  Causes:
  
  Function Module Changes: The function module in the target system may have been modified (e.g., parameters added, removed, or changed) after the calling system was last updated.
  Version Mismatch: The calling and target systems may be running different versions of the same function module, leading to signature incompatibility.
  Incorrect RFC Destination: The RFC destination may be pointing to the wrong system or function module.
  Transport Issues: If the function module was transported from one system to another, it may not have been properly activated or may have