How To Fix O9520 - Qty. field of &1(&2) missing for doc. item assignment by FIFO

SAP Error Message - Details

• Message type: E = Error

• Message class: O9 - IS-Oil: TD - Scheduling, loading, delivery confirmation

• Message number: 520

• Message text: Qty. field of &1(&2) missing for doc. item assignment by FIFO

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message O9520 - Qty. field of &1(&2) missing for doc. item assignment by FIFO ?

  The SAP error message O9520 indicates that there is a missing quantity field for a document item assignment when using the FIFO (First In, First Out) inventory management method. This error typically arises in the context of inventory management and can occur during various transactions, such as goods movements, inventory adjustments, or when processing sales orders.
  Cause:
  
  Missing Quantity Field: The error specifically points to a missing quantity field for the document item. This could happen if the system expects a quantity to be specified for a particular item, but it is not provided.
  Incorrect Configuration: There may be an issue with the configuration of the material master or the movement type that is being used, which could lead to the system not recognizing the quantity.
  Data Inconsistencies: There might be inconsistencies in the data related to the material or the document being processed, such as missing or incorrect entries in the relevant tables.
  FIFO Settings: The FIFO settings for the material might not be correctly configured, leading to issues when the system tries to assign quantities based on FIFO logic.
  
  Solution:
  
  Check Document Item: Review the document item that is causing the error. Ensure that all required fields, especially the quantity field, are filled in correctly.
  Verify Material Master Data: Check the material master data for the item in question. Ensure that the FIFO settings are correctly configured and that the material is set up to use FIFO.
  Review Movement Type: If the error occurs during a specific movement type, verify that the movement type is configured correctly and that it supports FIFO processing.
  Data Consistency Check: Run consistency checks on the relevant data to identify any discrepancies. This may involve checking inventory levels, document flow, and related tables.
  Transaction Logs: Review transaction logs for any additional error messages or warnings that may provide more context about the issue.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on FIFO processing and related error messages.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB1A (Goods Withdrawal), MB1B (Transfer Posting), and MB1C (Other Goods Receipts) that may be involved in the process.
  FIFO Logic: Understand how FIFO logic works in SAP, including how it affects inventory valuation and stock movements.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to perform the transaction, as missing authorizations can sometimes lead to unexpected errors.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration and data setup in your SAP environment.