How To Fix /SCWM/GM779 - Difference not possible - please cancel open putaway WT first

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/GM -

• Message number: 779

• Message text: Difference not possible - please cancel open putaway WT first

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/GM779 - Difference not possible - please cancel open putaway WT first ?

  The SAP error message /SCWM/GM779 Difference not possible - please cancel open putaway WT first typically occurs in the context of warehouse management within the SAP Extended Warehouse Management (EWM) module. This error indicates that there is an issue with handling stock differences due to open putaway warehouse tasks (WT) that need to be addressed first.
  Cause:
  
  Open Putaway Warehouse Tasks: The error arises when there are open putaway tasks that have not been completed or canceled. These tasks are related to the movement of goods into the warehouse and must be resolved before any stock differences can be processed.
  Stock Differences: The system is trying to process a stock difference (e.g., a physical inventory adjustment) while there are still pending putaway tasks that could affect the stock levels.
  
  Solution:
  To resolve this error, you need to follow these steps:
  
  
  Check Open Putaway Tasks:
  
  Go to the EWM interface and check for any open putaway tasks. You can do this by navigating to the relevant transaction or using the appropriate report to list open warehouse tasks.
  
  
  
  Cancel or Complete Open Putaway Tasks:
  
  If you find any open putaway tasks, you have two options:
  
  Complete the Tasks: If the tasks are valid and should be completed, proceed to execute them to finalize the putaway process.
  Cancel the Tasks: If the tasks are no longer needed or are incorrect, you can cancel them. This can typically be done through the warehouse task management screen.
  
  
  
  
  
  Re-attempt the Stock Difference Process:
  
  Once all open putaway tasks are either completed or canceled, you can re-attempt the stock difference process that triggered the error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in EWM, such as /SCWM/PRDI for physical inventory or /SCWM/WT for warehouse task management.
  Documentation: Refer to SAP Help documentation for Extended Warehouse Management for detailed guidance on managing warehouse tasks and stock differences.
  User Roles: Ensure that you have the necessary authorizations to view and manage warehouse tasks in the system.
  System Logs: Check system logs for any additional error messages or warnings that may provide further context on the issue.
  
  By following these steps, you should be able to resolve the error and proceed with your warehouse management activities in SAP EWM.