How To Fix /SCWM/TO_WHR021 - Warehouse request &1, &2 could not be picked/could only be partly picked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/TO_WHR -

• Message number: 021

• Message text: Warehouse request &1, &2 could not be picked/could only be partly picked

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/TO_WHR021 - Warehouse request &1, &2 could not be picked/could only be partly picked ?

  The SAP error message /SCWM/TO_WHR021 indicates that a warehouse request (transfer order) could not be fully picked or could only be partially picked. This error typically arises in the context of warehouse management processes within SAP Extended Warehouse Management (EWM). Here are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Insufficient Stock: The most common reason for this error is that there is not enough stock available in the warehouse to fulfill the entire transfer order.
  Stock Not Available in the Right Location: The required stock might not be located in the designated picking area or storage bin.
  Batch Management Issues: If batch management is enabled, the required batch may not be available or may not meet the selection criteria.
  Picking Strategy: The picking strategy defined for the material may not allow for the picking of the requested quantity.
  Warehouse Task Issues: There may be issues with the warehouse tasks that are linked to the transfer order, such as tasks being blocked or not being created correctly.
  System Configuration: Incorrect configuration in the warehouse management settings can lead to issues with picking.
  
  Solutions:
  
  Check Stock Availability: Verify the stock levels for the material in the warehouse. Use transaction codes like /SCWM/PRDI to check stock in the relevant storage bins.
  Review Transfer Order Details: Look at the details of the transfer order to see if there are any discrepancies in the quantities or items listed.
  Adjust Picking Location: If the stock is not in the expected location, consider adjusting the picking location or moving stock to the appropriate bin.
  Batch Selection: If batch management is in use, ensure that the required batch is available and meets the criteria for picking.
  Check Picking Strategy: Review the picking strategy assigned to the material and ensure it allows for the requested quantity to be picked.
  Inspect Warehouse Tasks: Check the status of warehouse tasks related to the transfer order. Ensure that they are not blocked and are correctly set up.
  System Configuration Review: If the issue persists, review the configuration settings in the warehouse management module to ensure they are set up correctly.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SCWM/PRDI (Display Stock), /SCWM/TO (Transfer Order Management), and /SCWM/TO_CREATE (Create Transfer Order).
  SAP Notes: Check for any SAP Notes related to this error message for potential bug fixes or updates.
  Documentation: Review SAP documentation on warehouse management processes and error handling for more detailed guidance.
  Support: If the issue cannot be resolved internally, consider reaching out to SAP support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.