How To Fix WSTI_MLT_INV_DOC013 - Empty position cannot be set

SAP Error Message - Details

• Message type: E = Error

• Message class: WSTI_MLT_INV_DOC - Message object for WSTI_MLT_INV_DOC

• Message number: 013

• Message text: Empty position cannot be set

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WSTI_MLT_INV_DOC013 - Empty position cannot be set ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WSTI_MLT_INV_DOC013: Empty position cannot be set
  
  Cause:
  This error typically occurs during the processing of inbound delivery or related documents in SAP, especially in scenarios involving Advanced Shipping Notification (ASN) or Warehouse Management (WM) integration.
  
  The message indicates that a document item (position) is empty or missing required data but is still being processed or set in the system.
  In other words, the system expects a valid item with data (material, quantity, etc.) but encounters an empty or incomplete item.
  This can happen if the inbound delivery or IDoc contains an item line with no material number, quantity, or other mandatory fields.
  It may also occur if the interface or middleware sends incomplete data or if there is a mismatch in the mapping of fields.
  
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check the Inbound Document or IDoc Data:
  
  Verify the inbound delivery or IDoc data for empty or incomplete item lines.
  Ensure that all mandatory fields (material number, quantity, plant, etc.) are correctly populated.
  Use transaction WE02 or WE05 to display the IDoc and check the segments for empty or missing data.
  
  
  
  Correct the Source Data:
  
  If the source system or middleware is sending incomplete data, fix the data at the source.
  Ensure that the EDI or interface mapping includes all required fields.
  
  
  
  Validate the Mapping and Conversion Rules:
  
  Check the mapping rules in the middleware or SAP PI/PO to ensure no item lines are being created without data.
  Confirm that the conversion routines or user exits do not inadvertently clear mandatory fields.
  
  
  
  Review Custom Code or Enhancements:
  
  If there are user exits, BAdIs, or enhancements involved in the inbound delivery processing, check if they are causing the item to be emptied or deleted incorrectly.
  
  
  
  Reprocess the Document:
  
  After correcting the data, reprocess the inbound delivery or IDoc.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  WE02 / WE05 – IDoc display and analysis
  VL32N – Change Inbound Delivery
  VL31N – Create Inbound Delivery
  VL33N – Display Inbound Delivery
  
  
  
  Common Scenarios:
  
  EDI inbound delivery processing
  ASN processing in SAP WM or EWM
  Integration with external warehouse systems
  
  
  
  SAP Notes:
  
  Check SAP Notes related to inbound delivery errors or IDoc processing for your SAP version.
  Sometimes, SAP releases patches or notes addressing specific interface issues.
  
  
  
  
  If you provide more context (e.g., transaction, process step, or IDoc type), I can help you with more specific troubleshooting steps.