How To Fix LT135 - Configuration not set for conversion exit for storage unit number

SAP Error Message - Details

• Message type: E = Error

• Message class: LT - LE-WM: View or Table Maintenance Error Messages

• Message number: 135

• Message text: Configuration not set for conversion exit for storage unit number

What causes this issue?

The control table for the conversion exit cannot be read.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

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Inform your systems administrator. Note the parameters in the error
message and the exact situation that caused the error to occur.
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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LT135 - Configuration not set for conversion exit for storage unit number ?

  The SAP error message LT135, which states "Configuration not set for conversion exit for storage unit number," typically occurs in the context of warehouse management and inventory handling. This error indicates that the system is unable to convert the storage unit number due to a missing configuration for the conversion exit.
  Cause:
  The primary causes of this error can include:
  
  
  Missing Configuration: The conversion exit for the storage unit number is not defined in the system. This can happen if the necessary settings for the storage unit type or the relevant data types are not maintained.
  
  
  Incorrect Data Type: The data type of the storage unit number may not match the expected format, leading to conversion issues.
  
  
  Custom Development: If there are custom developments or enhancements in the system that affect how storage unit numbers are processed, they may not be correctly configured.
  
  
  Solution:
  To resolve the LT135 error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to the transaction code SPRO to access the SAP Customizing Implementation Guide.
  Navigate to Logistics Execution > Warehouse Management > Interfaces > Define Conversion Exits.
  Ensure that the conversion exit for the storage unit number is properly defined. If it is missing, you may need to create or adjust it.
  
  
  
  Review Data Types:
  
  Verify that the data type of the storage unit number is correctly set up in the relevant tables. You can check the data element associated with the storage unit number field to ensure it matches the expected format.
  
  
  
  Check User Exits or BAdIs:
  
  If there are any user exits or Business Add-Ins (BAdIs) that modify the behavior of storage unit processing, review their implementation to ensure they are not causing the issue.
  
  
  
  Test with Different Data:
  
  Try using different storage unit numbers to see if the error persists. This can help identify if the issue is related to specific data.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to warehouse management and storage unit processing for any additional guidance or known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the configuration and data types, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LT01 (Create Transfer Order), LT10 (Confirm Transfer Order), and LX01 (Display Inventory).
  SAP Notes: Search for SAP Notes related to LT135 for any specific patches or updates that may address this error.
  Warehouse Management Documentation: Review the SAP Help Portal for detailed documentation on warehouse management processes and configuration.
  
  By following these steps, you should be able to identify and resolve the cause of the LT135 error in your SAP system.