/SCWM/UI_POST020 - Serial number &1 entered is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/UI_POST -

• Message number: 020

• Message text: Serial number &1 entered is unknown

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/UI_POST020 - Serial number &1 entered is unknown ?

  The SAP error message /SCWM/UI_POST020 indicating that the "Serial number &1 entered is unknown" typically occurs in the context of the SAP Extended Warehouse Management (EWM) module when a user attempts to process a serial number that the system does not recognize. This can happen for several reasons, and here are some potential causes, solutions, and related information:
  Causes:
  
  
  Serial Number Not Created: The serial number may not have been created in the system. This can happen if the item was not properly serialized during the goods receipt or production process.
  
  
  Incorrect Serial Number: The user may have entered the serial number incorrectly, leading to a mismatch with the existing records.
  
  
  Serial Number Not Assigned: The serial number might not be assigned to the specific material or batch in the system.
  
  
  Data Synchronization Issues: If there are issues with data synchronization between different systems (e.g., between EWM and ERP), the serial number may not be recognized.
  
  
  Status of Serial Number: The serial number may be in a status that does not allow it to be processed (e.g., it may be marked as "inactive" or "blocked").
  
  
  Solutions:
  
  
  Verify Serial Number: Double-check the serial number entered for any typographical errors. Ensure that it matches the format and value expected by the system.
  
  
  Check Serial Number Creation: Ensure that the serial number has been created in the system. You can do this by checking the relevant material document or production order.
  
  
  Review Serial Number Assignment: Confirm that the serial number is correctly assigned to the material in question. You can check this in the material master or serial number management views.
  
  
  Check Status: Investigate the status of the serial number. If it is inactive or blocked, you may need to reactivate it or resolve any issues preventing its use.
  
  
  Consult Logs and Documentation: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  Data Synchronization: If you suspect data synchronization issues, ensure that all relevant systems are properly synchronized and that there are no pending updates.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to serial number handling in EWM.
  Documentation: Review the SAP EWM documentation for guidelines on serial number management and troubleshooting.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., /SCWM/PRDI for production integration) that may help in managing serial numbers.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.