How To Fix WS001 - Internal error generating item data for document &

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 001

• Message text: Internal error generating item data for document &

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS001 - Internal error generating item data for document & ?

  Certainly! Here's a detailed explanation regarding the SAP error message:
  
  SAP Error Message:
  WS001 Internal error generating item data for document &
  
  Cause:
  This error typically occurs during the processing of a document (such as a sales order, delivery, billing document, or similar transactional document) when the system encounters an unexpected issue while generating or populating the item data internally.
  Common causes include:
  
  Data inconsistencies or missing data in the document header or item level.
  Custom enhancements or user exits (e.g., BADIs, user-exits, or enhancements) that manipulate item data and cause runtime errors.
  Incorrect or incomplete configuration in the document type or item category determination.
  Authorization issues or missing master data (e.g., material master, customer master).
  System bugs or inconsistencies in the standard SAP code or database.
  
  
  Solution:
  
  
  Check the Short Dump (ST22):
  
  Look for a runtime error or dump related to this message. The dump will provide detailed information about the exact cause, including the program, line number, and error text.
  
  
  Analyze the Document Data:  
  
  Verify the document header and item data for completeness and correctness.
  Check if all mandatory fields are filled.
  Ensure that the material master, customer master, and other related master data exist and are valid.
  
  
  
  Review Custom Code:  
  
  If there are any user exits, BADIs, or enhancements triggered during item data generation, debug or review them for errors.
  Temporarily disable custom code to see if the error persists.
  
  
  
  Check Configuration:  
  
  Verify the configuration for document types, item categories, and related settings.
  Ensure that the item category determination is correct and consistent.
  
  
  
  Authorization and Master Data:  
  
  Confirm that the user has the necessary authorizations.
  Check for missing or inconsistent master data.
  
  
  
  SAP Notes and Support:  
  
  Search for SAP Notes related to message WS001 or the specific transaction/document type.
  If the issue persists, consider raising a support ticket with SAP, providing the dump and document details.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:  
  
  VA01 / VA02 (Sales Order)  
  VL01N / VL02N (Delivery)  
  VF01 / VF02 (Billing)  
  ST22 (Dump Analysis)  
  SE38 / SE80 (Debugging)
  
  
  
  Common SAP Tables:  
  
  VBAK (Sales Document: Header Data)  
  VBAP (Sales Document: Item Data)  
  MARA (Material Master)  
  KNA1 (Customer Master)
  
  
  
  Debugging Tips:  
  
  Set breakpoints in the standard SAP program where the error occurs (from the dump analysis).  
  Check the flow of item data generation and identify where the error is triggered.
  
  
  
  
  If you provide the exact transaction or scenario where this error occurs, or the short dump details, I can help you with a more precise diagnosis and solution.