How To Fix WP109 - Billing doc. contains no items

SAP Error Message - Details

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 109

• Message text: Billing doc. contains no items

What causes this issue?

The invoice contains no items.

System Response

The system did not post the invoice.

How to fix this error?

Using error/status reporting, check whether errors occurred while the
billing document items were being prepared. Correct the errors and
<DS:TRAN.WPIA>repeat inbound processing </>.
If no errors have been logged, the IDoc may not contain any items. You
can check this by <DS:TRAN.WE21>viewing the relevant IDoc areas</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WP109 - Billing doc. contains no items ?

  The SAP error message WP109, which states "Billing document contains no items," typically occurs when you attempt to create or process a billing document (such as an invoice) that does not have any line items associated with it. This can happen in various scenarios, such as during the billing process for sales orders, delivery documents, or service orders.
  Causes:
  
  No Sales Order Items: The sales order or delivery document that you are trying to bill does not have any items or has been completely billed already.
  Incorrect Document Type: The document type used for billing may not be appropriate for the items you are trying to bill.
  Data Entry Errors: There may have been an error in data entry, leading to the creation of a billing document without any items.
  Incomplete Document: The document may not have been fully processed or may be in a status that does not allow for billing.
  Configuration Issues: There may be issues with the configuration of billing types or item categories in the SAP system.
  
  Solutions:
  
  Check Source Document: Verify the source document (sales order, delivery, etc.) to ensure that it contains items that can be billed. If there are no items, you will need to create or modify the source document.
  Review Document Status: Ensure that the document you are trying to bill is in the correct status and is eligible for billing.
  Correct Document Type: Make sure that you are using the correct billing document type that corresponds to the items you are trying to bill.
  Recreate Billing Document: If the billing document was created incorrectly, you may need to delete it and recreate it after ensuring that the source document has valid items.
  Consult Configuration: If you suspect a configuration issue, consult with your SAP configuration team to review the settings for billing types and item categories.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like VF01 (Create Billing Document) or VF02 (Change Billing Document) to manage billing documents.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP documentation for billing processes to understand the requirements for creating billing documents.
  User Permissions: Ensure that you have the necessary permissions to create and process billing documents.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the billing module.