How To Fix VO750 - Unexpected return code & during call of WS_PICK_WAV_LOAD_READ_DB

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 750

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

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VO750 - Unexpected return code & during call of WS_PICK_WAV_LOAD_READ_DB ?

  Certainly! Here's a detailed explanation regarding the SAP error message:
  
  SAP Error Message:
  VO750 Unexpected return code & during call of WS_PICK_WAV_LOAD_READ_DB
  
  Cause:
  
  The error VO750 occurs during the execution of a function module or web service call related to warehouse management, specifically when the system tries to read or load wave data from the database using the function/module WS_PICK_WAV_LOAD_READ_DB.
  The placeholder & in the message indicates an unexpected return code or error code returned by the function call.
  This usually happens due to:
  
  Inconsistencies or missing data in the wave picking tables.
  Database inconsistencies or missing entries related to wave picking.
  Incorrect or incomplete wave picking configuration.
  Authorization issues or system inconsistencies during the wave picking process.
  Custom enhancements or user exits that interfere with the standard process.
  
  
  
  
  Explanation:
  
  WS_PICK_WAV_LOAD_READ_DB is a standard SAP function module used in Warehouse Management (WM) or Extended Warehouse Management (EWM) to read wave picking data from the database.
  Wave picking is a process where picking tasks are grouped into waves for efficient warehouse operations.
  If the function module returns an unexpected code, it means the system encountered a situation it was not programmed to handle, such as missing data or an unexpected status.
  
  
  Solution:
  
  
  Check the Return Code:
  
  Look at the detailed logs or debug the process to find the exact return code or error that replaced the placeholder &.
  Use transaction ST22 (Dump Analysis) or SM21 (System Log) to find more details.
  
  
  
  Verify Wave Picking Data:
  
  Check the wave picking tables (e.g., /SCWM/WAVE, /SCWM/TASK, /SCWM/ORDIM_C, etc.) for inconsistencies or missing data.
  Use standard SAP reports or transactions related to wave picking to verify data integrity.
  
  
  
  Check Configuration:
  
  Verify wave picking configuration in SPRO under Logistics Execution ? Warehouse Management ? Wave Management.
  Ensure all required customizing is done correctly.
  
  
  
  Authorization Check:
  
  Ensure the user executing the process has the necessary authorizations.
  
  
  
  Debugging:
  
  If possible, debug the function module WS_PICK_WAV_LOAD_READ_DB to see where and why the unexpected return code is generated.
  Check for any custom enhancements or user exits that might affect the wave picking process.
  
  
  
  SAP Notes and Support:
  
  Search for SAP Notes related to VO750 or WS_PICK_WAV_LOAD_READ_DB.
  If no standard solution is found, raise a message with SAP Support providing detailed logs and system information.
  
  
  
  
  Related Information:
  
  
  Transactions:
  
  /SCWM/WAVE – Wave Management in EWM.
  /SCWM/PRDO – Warehouse Order Monitor.
  ST22 – ABAP Dump Analysis.
  SM21 – System Log.
  
  
  
  Function Module:
  
  WS_PICK_WAV_LOAD_READ_DB – Reads wave picking data from the database.
  
  
  
  SAP Notes:
  
  Check SAP ONE Support Launchpad for notes related to wave picking errors or VO750.
  
  
  
  Documentation:
  
  SAP Help Portal for Extended Warehouse Management (EWM) Wave Management.
  SAP Library for Warehouse Management.
  
  
  
  
  If you provide the exact return code or more context (e.g., transaction, process step), I can help narrow down the cause and solution further.