How To Fix 11226 - No valid predecessor exists

SAP Error Message - Details

• Message type: E = Error

• Message class: 11 - External Services Management

• Message number: 226

• Message text: No valid predecessor exists

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 11226 - No valid predecessor exists ?

  The SAP error message "11226 No valid predecessor exists" typically occurs in the context of production planning and scheduling, particularly when dealing with production orders, process orders, or project management. This error indicates that the system cannot find a valid predecessor for a specific operation or task that is being processed.
  Causes:
  
  Missing Predecessor Relationship: The operation or task you are trying to execute may not have a defined predecessor in the routing or task list.
  Incorrect Order of Operations: The sequence of operations may not be correctly defined, leading to the system being unable to identify a valid predecessor.
  Data Inconsistencies: There may be inconsistencies in the master data, such as routing or BOM (Bill of Materials) that do not align with the production order.
  Configuration Issues: The configuration settings in the system may not be set up correctly to recognize the predecessor relationships.
  
  Solutions:
  
  Check Routing/Task List: Verify the routing or task list associated with the production order. Ensure that all operations have valid predecessors defined.
  Review Production Order: Look at the production order to ensure that it is correctly set up and that all necessary operations are included.
  Adjust Operation Sequence: If the operations are out of order, adjust the sequence to ensure that all predecessors are correctly defined and executed before the current operation.
  Master Data Review: Check the master data for any inconsistencies. Ensure that the BOM and routing are correctly maintained and that they match the production order.
  Configuration Check: Review the configuration settings in the SAP system related to production planning and scheduling to ensure they are set up correctly.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CO02 (Change Production Order) or C223 (Change Routing) to review and modify the relevant data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP documentation for detailed information on production order processing and routing definitions.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.