How To Fix /SCWM/LC1155 - External no. assignment in warehouse no. &1 only. Generation not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/LC1 -

• Message number: 155

• Message text: External no. assignment in warehouse no. &1 only. Generation not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/LC1155 - External no. assignment in warehouse no. &1 only. Generation not possible ?

  The SAP error message /SCWM/LC1155 External no. assignment in warehouse no. &1 only. Generation not possible typically occurs in the context of SAP Extended Warehouse Management (EWM) when there is an issue with the assignment of external numbers for warehouse processes. This error indicates that the system is unable to generate an external number for a specific warehouse number due to configuration or data issues.
  Cause:
  
  Configuration Issues: The warehouse number may not be properly configured to allow for external number assignment. This could be due to missing settings in the number range configuration.
  Number Range Not Defined: The external number range for the warehouse number may not be defined or may be exhausted.
  Warehouse Number Restrictions: The system may have restrictions on which warehouse numbers can use external number assignments.
  Data Inconsistencies: There may be inconsistencies in the data related to the warehouse number or the external number assignment.
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects) and check the number range object related to the external number assignment for the warehouse.
  Ensure that the number range is defined and that there are available numbers in the range.
  
  
  
  Review Warehouse Configuration:
  
  Use transaction code SPRO to access the SAP Customizing Implementation Guide.
  Navigate to the EWM settings and check the configuration for the specific warehouse number. Ensure that external number assignment is enabled.
  
  
  
  Adjust Number Range Settings:
  
  If the number range is exhausted, you may need to extend the number range or create a new one.
  Ensure that the number range is assigned to the correct warehouse number.
  
  
  
  Check for Restrictions:
  
  Verify if there are any restrictions or settings that prevent the use of external number assignments for the specific warehouse number.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to this error message for any specific recommendations or patches that may address the issue.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SNRO for number range objects.
  SPRO for customizing settings.
  
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to this error message.
  EWM Documentation: Review the SAP EWM documentation for best practices on number range management and warehouse configuration.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or EWM support team for further investigation.