How To Fix S~129 - Path from epc & to epc & with event & and not allowed node &

S~129 - Overview

• Message type: E = Error

• Message class: S~ - Repository API Business Navigator

• Message number: 129

• Message text: Path from epc & to epc & with event & and not allowed node &

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

S~129 - Details

• The SAP error message S~129 typically indicates an issue related to the event-driven process chain (EPC) in SAP. This error occurs when there is an invalid path or transition between nodes in the process chain, which is not allowed according to the defined rules or structure of the process chain.
  
  Cause:
  
  
  Invalid Node Transition: The error suggests that there is an attempt to create a path from one event to another through a node that is not allowed. This could be due to:
  
  Incorrect configuration of the process chain.
  A missing or incorrectly defined event or node.
  Logical errors in the sequence of events and nodes.
  
  
  
  Event 
  Configuration Issues: The events defined in the process chain may not be properly linked or configured, leading to invalid transitions.
  
  
  Process Chain Structure: The structure of the process chain may not adhere to the required rules, such as having the correct sequence of events and nodes.
  
  
  
  Solution:
  
  
  Review the Process Chain: 
  
  Open