How To Fix PK177 - You must also make quantity changes in the Inventory Management menu

SAP Error Message - Details

• Message type: E = Error

• Message class: PK - Production - KANBAN

• Message number: 177

• Message text: You must also make quantity changes in the Inventory Management menu

What causes this issue?

You changed the quantity of a kanban manually. The warehouse stock of
the material remains unchanged.

How to fix this error?

If you want the kanban quantity change to affect warehouse stock, you
must also post the change using the appropriate inventory management
transaction.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PK177 - You must also make quantity changes in the Inventory Management menu ?

  The SAP error message PK177, which states "You must also make quantity changes in the Inventory Management menu," typically occurs in the context of inventory management and material movements. This error indicates that there is a discrepancy or a requirement to update inventory quantities in the Inventory Management (IM) module when performing certain operations in the Production Planning (PP) module, such as production orders or goods movements.
  Cause:
  The error usually arises due to one of the following reasons:
  
  Incomplete Inventory Updates: When you are trying to perform a transaction that affects stock levels (like a goods receipt or production order confirmation), the system requires that the corresponding inventory quantities be updated in the Inventory Management module.
  Stock Type Changes: If you are trying to change stock types (e.g., from unrestricted stock to blocked stock) without making the necessary adjustments in Inventory Management, this error may occur.
  Configuration Issues: There may be configuration settings in the system that require synchronization between the PP and IM modules.
  
  Solution:
  To resolve the PK177 error, you can follow these steps:
  
  
  Check Inventory Levels: Go to the Inventory Management module and check the current stock levels for the material in question. Ensure that the quantities are accurate and reflect the expected values.
  
  
  Perform Required Transactions:
  
  If you need to make quantity changes, navigate to the Inventory Management menu and perform the necessary transactions (e.g., goods receipt, goods issue, stock transfer).
  Ensure that any changes made in the PP module are reflected in the IM module.
  
  
  
  Review Production Orders: If the error occurs during production order confirmation, ensure that all necessary goods movements related to the production order have been completed.
  
  
  Consult Documentation: Review SAP documentation or help files related to inventory management and production planning for specific instructions on handling quantity changes.
  
  
  Check Configuration: If the issue persists, consult with your SAP administrator or functional consultant to review the configuration settings in both the PP and IM modules to ensure they are correctly set up to allow for seamless integration.
  
  
  Use Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MB1A: Goods Issue
  MB1B: Transfer Posting
  MB1C: Other Goods Receipts
  MIGO: Goods Movement
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to perform inventory adjustments.
  Training and Documentation: Consider providing training for users on how to manage inventory changes effectively within SAP.
  
  By following these steps, you should be able to resolve the PK177 error and ensure that your inventory management processes are functioning correctly.