How To Fix WP749 - Missing transaction header when post void receipt &

SAP Error Message - Details

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 749

• Message text: Missing transaction header when post void receipt &

Self-Explanatory Message

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• What is the cause and solution for SAP error message WP749 - Missing transaction header when post void receipt & ?

  SAP Error Message:
  
  WP749 - Missing transaction header when post void receipt &
  
  Cause:
  This error typically occurs in SAP Retail (IS-Retail) or related modules when attempting to post a void receipt (i.e., cancel or reverse a previously posted receipt document), and the system cannot find the corresponding transaction header record in the database.
  In other words, the system expects a transaction header (which contains the main details of the original receipt document) to exist for the receipt you are trying to void, but it is missing or has been deleted/corrupted.
  Common reasons include:
  
  The original receipt document was not properly posted or was deleted.
  Database inconsistencies or missing entries in the transaction header tables (e.g., table POS_TRANSACT or related).
  Incorrect or incomplete data entry during the void process.
  Custom enhancements or user exits that interfere with the standard posting logic.
  
  
  Solution:
  
  
  Verify the Original Receipt Document:
  
  Check if the original receipt document exists and is correctly posted.
  Use transaction codes like POSDW (POS Data Workbench) or /POSDW/TRANSACTION to search for the original transaction.
  Confirm that the transaction header record is present in the database.
  
  
  
  Check Database Tables:
  
  Look into tables such as POS_TRANSACT or POS_HEADER (depending on your SAP Retail version) to verify the presence of the transaction header.
  If missing, investigate why the header is absent (e.g., deletion, incomplete posting).
  
  
  
  Repost or Recreate the Original Document:
  
  If the original receipt is missing or corrupted, you may need to repost or recreate it before attempting to void it.
  Consult with your SAP Retail functional team or Basis team for data recovery or correction.
  
  
  
  Review Custom Code or Enhancements:
  
  Check for any user exits, BADIs, or custom programs that might affect the posting or voiding process.
  Disable or correct any faulty custom logic.
  
  
  
  SAP Notes and Support:
  
  Search for SAP Notes related to message WP749 for your specific SAP Retail version.
  Apply any relevant patches or corrections recommended by SAP.
  
  
  
  Transaction Posting Sequence:
  
  Ensure that the void receipt posting is done in the correct sequence and with the correct parameters.
  
  
  
  
  Related Information:
  
  Module: SAP Retail (IS-Retail), POS Data Management
  Tables to check: POS_TRANSACT, POS_HEADER, POS_RECEIPT
  Transaction Codes: POSDW, /POSDW/TRANSACTION, WE02 (for IDoc monitoring if relevant)
  SAP Notes: Check SAP ONE Support Launchpad for notes related to WP749 or void receipt posting issues.
  Common SAP Forums: SAP Community Network (SCN) discussions on POS transaction errors.
  
  
  Summary:
  The error WP749 indicates that the system cannot find the transaction header for the receipt you want to void. The solution involves verifying the existence and integrity of the original receipt document and its header, correcting any data inconsistencies, and ensuring the void process is executed correctly. If necessary, involve SAP support or your technical team to restore missing data or fix custom code issues.