How To Fix /SCWM/TDC121 - Unable to determine direction in aisle &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/TDC -

• Message number: 121

• Message text: Unable to determine direction in aisle &1

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/TDC121 - Unable to determine direction in aisle &1 ?

  The SAP error message /SCWM/TDC121 Unable to determine direction in aisle &1 typically occurs in the SAP Extended Warehouse Management (EWM) module. This error indicates that the system is unable to determine the movement direction (inbound or outbound) for a specific aisle during warehouse operations.
  Cause:
  
  Configuration Issues: The aisle may not be properly configured in the system. This includes missing or incorrect settings for the aisle's directionality.
  Master Data Issues: The master data for the storage bin or aisle may be incomplete or incorrect, leading to ambiguity in determining the direction.
  Warehouse Process Type: The process type associated with the warehouse task may not be set up correctly to handle the directionality of movements.
  Inconsistent Data: There may be inconsistencies in the data related to the aisle, such as conflicting settings for inbound and outbound processes.
  
  Solution:
  
  
  Check Aisle Configuration:
  
  Go to the configuration settings for the aisle in the EWM system.
  Ensure that the aisle is correctly defined with the appropriate inbound and outbound directions.
  
  
  
  Review Master Data:
  
  Verify the master data for the storage bins and aisles involved.
  Ensure that all necessary fields are filled out correctly, including directionality settings.
  
  
  
  Examine Warehouse Process Types:
  
  Check the warehouse process types associated with the tasks being executed.
  Ensure that they are configured to handle the specific movements in the aisle.
  
  
  
  Data Consistency Check:
  
  Perform a consistency check on the data related to the aisle and storage bins.
  Look for any discrepancies or conflicts that may be causing the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on configuring aisles and handling directionality in EWM.
  
  
  
  Testing:
  
  After making changes, test the configuration by attempting to create a warehouse task that involves the affected aisle to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SCWM/PRDI (for inbound delivery processing) or /SCWM/PRDO (for outbound delivery processing) to check the relevant settings.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  Support: If the issue persists after checking the above areas, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the error message /SCWM/TDC121 Unable to determine direction in aisle &1.