How To Fix /SCWM/MIGRATION_CUST311 - No mapping rule defined for LE-WM SU type &1 into EWM HU type

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MIGRATION_CUST -

• Message number: 311

• Message text: No mapping rule defined for LE-WM SU type &1 into EWM HU type

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/MIGRATION_CUST311 - No mapping rule defined for LE-WM SU type &1 into EWM HU type ?

  The SAP error message /SCWM/MIGRATION_CUST311 indicates that there is no mapping rule defined for a specific Logistics Execution (LE) Warehouse Management (WM) Storage Unit (SU) type into Extended Warehouse Management (EWM) Handling Unit (HU) type. This error typically arises during the migration process from LE-WM to EWM, where the system is trying to convert or map existing data from the old system to the new one.
  Cause:
  
  Missing Mapping Rules: The primary cause of this error is that the necessary mapping rules between LE-WM SU types and EWM HU types have not been defined in the system.
  Configuration Issues: There may be gaps in the configuration settings related to the migration process, particularly in the mapping of storage unit types.
  Data Inconsistencies: If there are inconsistencies or missing entries in the configuration tables that handle the mapping, this error can occur.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Define Mapping Rules:
  
  Go to the transaction code SPRO to access the SAP Reference IMG.
  Navigate to the following path: 
  Logistics Execution -> Extended Warehouse Management -> Interfaces -> Define Mapping Rules for Storage Unit Types
  
  Here, you can create or modify the mapping rules for the specific LE-WM SU type that is causing the error. Ensure that you have a corresponding EWM HU type defined.
  
  
  
  Check Existing Mapping:
  
  Review the existing mapping rules to ensure that they are correctly set up. You can use transaction EWM_MIGRATION to check the migration settings and mappings.
  
  
  
  Test the Mapping:
  
  After defining the mapping rules, perform a test to ensure that the mapping works correctly and that the error does not reoccur.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the migration from LE-WM to EWM for any specific instructions or considerations that may apply to your scenario.
  
  
  
  Check for SAP Notes:
  
  Look for any relevant SAP Notes that might address this specific error or provide additional guidance on the migration process.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO, EWM_MIGRATION, and others that may assist in configuration and troubleshooting.
  SAP Community: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance.
  
  By ensuring that the mapping rules are correctly defined and configured, you should be able to resolve the error and proceed with the migration process.