How To Fix /SCWM/DLV_SERIAL303 - Serial numbers cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/DLV_SERIAL -

• Message number: 303

• Message text: Serial numbers cannot be changed

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 /SCWM/DLV_SERIAL303 - Serial numbers cannot be changed ?

  The SAP error message /SCWM/DLV_SERIAL303 indicates that there is an attempt to change a serial number in the system, but the system does not allow this action. This error typically occurs in the context of handling serial numbers in the Extended Warehouse Management (EWM) module of SAP.
  Cause:
  
  Status of the Serial Number: The serial number may be in a status that does not allow changes. For example, if the serial number is already assigned to a delivery or has been processed in a way that locks it for changes.
  Document Type Restrictions: Certain document types or processes may have restrictions on changing serial numbers once they are assigned.
  Configuration Settings: The system configuration may restrict changes to serial numbers based on business rules or settings in the EWM module.
  Transaction Context: The error may occur if you are trying to change the serial number in a transaction where it is not permitted, such as during goods issue or delivery processing.
  
  Solution:
  
  Check Serial Number Status: Verify the status of the serial number in question. If it is locked or in a completed state, you may need to reverse or cancel the related document before making changes.
  Review Document Type Settings: Check the configuration for the document type you are working with to see if there are restrictions on changing serial numbers.
  Use Correct Transaction: Ensure that you are using the appropriate transaction for the action you are trying to perform. If you need to change a serial number, it may require a different process or transaction.
  Consult with SAP Support: If the issue persists, it may be beneficial to consult with SAP support or your internal SAP team to understand if there are specific configurations or customizations that are causing this restriction.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling serial numbers in EWM.
  Documentation: Review the SAP EWM documentation for information on serial number management and the specific processes that involve serial numbers.
  User Authorization: Ensure that the user has the necessary authorizations to perform actions related to serial number changes.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate actions to resolve it.