How To Fix COWIPB456 - Operation number missing; fill IV_VORNR parameter

SAP Error Message - Details

• Message type: E = Error

• Message class: COWIPB - Messages for WIP Batch

• Message number: 456

• Message text: Operation number missing; fill IV_VORNR parameter

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message COWIPB456 - Operation number missing; fill IV_VORNR parameter ?

  The SAP error message COWIPB456, which states "Operation number missing; fill IV_VORNR parameter," typically occurs in the context of production order processing or when working with work centers and operations in SAP. This error indicates that a required operation number (VORNR) is not provided in the function module or method call that is being executed.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Parameter: The operation number (VORNR) is not being passed to the function module or method that requires it.
  Incorrect Configuration: There may be an issue with the configuration of the production order or work center that leads to the operation number not being recognized.
  Data Entry Error: The user may have forgotten to enter the operation number in the relevant transaction or screen.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Function Call: If you are working with custom code or a specific function module, ensure that the IV_VORNR parameter is being correctly populated with a valid operation number before the function is called.
  
  
  Review Production Order: If this error occurs while processing a production order, check the production order details to ensure that all operations are defined and that the operation number is correctly specified.
  
  
  Validate Configuration: Ensure that the work center and routing configurations are set up correctly. Check if the operations are defined in the routing for the material being processed.
  
  
  Data Entry: If you are entering data manually, double-check that you have filled in all required fields, including the operation number.
  
  
  Debugging: If you have access to debugging tools, you can trace the execution of the program to see where the operation number is expected and why it is missing.
  
  
  Consult Documentation: Review SAP documentation or help resources related to the specific transaction or function module you are using to understand the requirements for the IV_VORNR parameter.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO01 (Create Production Order), CO02 (Change Production Order), and CO03 (Display Production Order) to check the operations associated with production orders.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.