Message type: E = Error
Message class:  WOST_WSSO_DLV_MODEL - Messages Order Filfillment/Cancellation 
Message number: 004
Message text: Enter rejection reason
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.
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The SAP error message WOST_WSSO_DLV_MODEL004 with the description "Enter rejection reason" typically occurs in the context of a delivery or goods movement process where a rejection reason is required but has not been provided. This error is often encountered in scenarios involving quality management, returns processing, or when handling defective goods.
Cause: The error is triggered when a user attempts to process a delivery or goods movement that requires a rejection reason, but the system does not have this information. This can happen in various situations, such as: When a user is trying to reject a delivery or goods receipt. When the system is configured to require a rejection reason for certain transactions, but the user has not filled in the necessary field.
Solution: To resolve this error, you need to provide a rejection reason in the relevant field. Here are the steps you can take: Identify the Transaction: Determine which transaction you are trying to perform
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