How To Fix WPOC000 - Purchase order & has already been released for transmission

SAP Error Message - Details

• Message type: E = Error

• Message class: WPOC - Messages for Package WPOC

• Message number: 000

• Message text: Purchase order & has already been released for transmission

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WPOC000 - Purchase order & has already been released for transmission ?

  Certainly! Here's a detailed explanation regarding the SAP error message:
  
  SAP Error Message:
  WPOC000 Purchase order & has already been released for transmission
  
  Cause:
  This message occurs when you attempt to release or transmit a Purchase Order (PO) that has already been released for transmission in the system. In other words, the PO is already flagged as sent or in the process of being sent to the vendor, and the system prevents duplicate release or transmission actions.
  This typically happens in scenarios involving:
  
  Output management where the PO output (e.g., print, email, EDI) has already been triggered.
  Attempting to manually release or resend a PO that is already marked as released.
  Integration with external systems where the PO status is synchronized and the system recognizes the PO as already processed for transmission.
  
  
  Solution:
  
  
  Check PO Output Status:
  
  Go to the PO in transaction ME23N.
  Navigate to the Messages tab.
  Verify if the PO output message has already been generated and transmitted.
  
  
  
  Avoid Duplicate Release:
  
  If the PO is already released for transmission, do not attempt to release it again.
  If you need to resend the PO, use the appropriate output reprocessing function rather than releasing it again.
  
  
  
  Reprocess Output (if needed):
  
  Use transaction ME9F (Message Output: Purchase Orders) to reprocess or resend the PO output.
  Select the PO and choose the appropriate output type and processing options.
  
  
  
  Check Output Control Configuration:
  
  Review the output determination procedure to ensure it is correctly set up to prevent duplicate transmissions.
  Check if the output type is set to "One-time" or "Multiple" transmissions as per business requirements.
  
  
  
  Reset Transmission Status (if necessary and authorized):
  
  In rare cases, if the PO output status is incorrect or stuck, you may need to reset the transmission status.
  This can be done by deleting or resetting the output message in the PO or via backend tables (e.g., T685, NAST).
  Note: This should be done carefully and usually with SAP Basis or functional consultant support.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  ME23N – Display Purchase Order
  ME9F – Message Output: Purchase Orders
  ME22N – Change Purchase Order (to check or modify output)
  
  
  
  Tables:
  
  NAST – Message Status
  T685 – Output Types for Purchasing Documents
  
  
  
  Output Types:
  
  Common output types for PO include NEU (Print), NEU (Email), or EDI outputs.
  
  
  
  Notes:
  
  Always ensure that the PO output is correctly configured to avoid duplicate transmissions.
  Coordinate with the purchasing and output management teams before resetting or reprocessing outputs.
  
  
  
  
  If you provide the exact transaction or scenario where this message appears, I can help with more tailored steps.