How To Fix VO749 - Unexpected return code & during call of WS_PICK_WAV_READ_DB

SAP Error Message - Details

• Message type: E = Error

• Message class: VO - W&S: Rough workload forecast + picking wave

• Message number: 749

• Message text: Unexpected return code & during call of WS_PICK_WAV_READ_DB

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VO749 - Unexpected return code & during call of WS_PICK_WAV_READ_DB ?

  Certainly! Here's a detailed explanation regarding the SAP error message:
  
  SAP Error Message:
  VO749 Unexpected return code & during call of WS_PICK_WAV_READ_DB
  
  1. Cause
  
  The error VO749 with the message "Unexpected return code & during call of WS_PICK_WAV_READ_DB" typically occurs during warehouse management processes, especially when dealing with wave picking in SAP EWM or WM.
  The function module WS_PICK_WAV_READ_DB is used to read wave picking data from the database.
  The "unexpected return code" indicates that the function module returned a status or error code that the calling program did not anticipate.
  Common causes include:
  
  Inconsistent or corrupted wave picking data in the database.
  Missing or incomplete wave picking header or item data.
  Database inconsistencies or missing entries related to wave picking.
  Custom enhancements or user exits that interfere with the standard processing.
  Transport or system inconsistencies after upgrades or patches.
  Authorization issues or missing data in related tables.
  
  
  
  
  2. Solution
  
  
  Check Wave Picking Data:
  
  Verify the wave picking header and item data in the relevant tables (e.g., LTAK, LTAP for WM or EWM wave tables).
  Use transaction codes like /SCWM/WAVE (in EWM) or LT23 (in WM) to check wave picking documents.
  Look for incomplete or inconsistent wave documents.
  
  
  
  Analyze the Return Code:
  
  Debug or check the return code from the function module WS_PICK_WAV_READ_DB.
  Identify what the unexpected return code is and why it is returned.
  Check OSS notes or SAP documentation for specific return codes.
  
  
  
  Database Consistency:
  
  Run database consistency checks for warehouse management tables.
  Use standard SAP tools or reports to check for inconsistencies.
  
  
  
  Check for Custom Code:
  
  Review any user exits, BADIs, or enhancements related to wave picking.
  Disable or adjust custom code to see if the error persists.
  
  
  
  Authorization:
  
  Ensure the user has the necessary authorizations to read wave picking data.
  
  
  
  SAP Notes and Support:
  
  Search for SAP Notes related to error VO749 or WS_PICK_WAV_READ_DB.
  Apply any relevant patches or corrections.
  
  
  
  Debugging:
  
  If possible, debug the program or function module call to see exactly where and why the unexpected return code is generated.
  
  
  
  
  3. Related Information
  
  
  Function Module: WS_PICK_WAV_READ_DB  
  
  Used to read wave picking data from the database.
  Part of warehouse management wave picking process.
  
  
  
  Transactions:
  
  /SCWM/WAVE - Wave management in SAP EWM.
  LT23 - Display wave picking document in WM.
  LT24 - Wave picking monitor.
  
  
  
  Tables:
  
  LTAK - WM Transfer Order Header (wave picking header).
  LTAP - WM Transfer Order Items (wave picking items).
  EWM wave tables like /SCWM/WAVE related tables.
  
  
  
  OSS Notes:
  
  Check SAP OSS Notes for VO749 or WS_PICK_WAV_READ_DB errors.
  Example notes might address wave picking inconsistencies or function module errors.
  
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  VO749 Unexpected return code & during call of WS_PICK_WAV_READ_DB
  
  
  Cause
  Inconsistent or missing wave picking data; unexpected return code from function module.
  
  
  Solution
  Check wave picking data, debug return code, verify database consistency, check custom code, apply SAP Notes.
  
  
  Related Info
  Function module WS_PICK_WAV_READ_DB, wave picking transactions (/SCWM/WAVE, LT23), tables LTAK, LTAP.
  
  
  
  
  If you provide the actual return code (the "&" placeholder), I can help you further narrow down the cause and solution.