How To Fix VL138 - Specify supplier or purchase order number

SAP Error Message - Details

• Message type: E = Error

• Message class: VL -

• Message number: 138

• Message text: Specify supplier or purchase order number

What causes this issue?

The supplier and the purchase order number have not been maintained.

System Response

The system does not allow further processing.

How to fix this error?

Maintain at least one of the two fields.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VL138 - Specify supplier or purchase order number ?

  The SAP error message VL138 ("Specify supplier or purchase order number") typically occurs in the context of logistics and inventory management, particularly when dealing with delivery processing or goods movements. This error indicates that the system requires either a supplier (vendor) or a purchase order number to proceed with the transaction, but this information has not been provided.
  Cause:
  
  Missing Information: The most common cause of this error is that the user has not entered the required supplier or purchase order number in the relevant fields.
  Incorrect Transaction Type: The transaction being performed may require specific information that has not been provided.
  Configuration Issues: There may be issues with the configuration of the system that are causing it to expect this information when it shouldn't.
  Data Entry Errors: Users may have made a mistake in data entry, leading to the omission of necessary details.
  
  Solution:
  
  Enter Required Information: Ensure that you enter either the supplier (vendor) number or the purchase order number in the appropriate fields before proceeding with the transaction.
  Check Transaction Type: Verify that you are using the correct transaction type that corresponds to the data you are trying to process.
  Review Configuration: If you believe the system should not require this information, consult with your SAP administrator or technical team to review the configuration settings related to the transaction.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific transaction you are working with to ensure all required fields are filled out correctly.
  Error Logs: Check the error logs for additional details that may provide insight into why the error is occurring.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to delivery processing, such as VL01N (Create Outbound Delivery), VL02N (Change Outbound Delivery), or VL03N (Display Outbound Delivery).
  User Roles: Ensure that the user has the appropriate permissions to access the necessary data and perform the transaction.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates and patches that could resolve the issue.
  Training: If users frequently encounter this error, consider providing additional training on the relevant processes and data entry requirements.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP support team for further assistance.