How To Fix ALSMEX010 - Select the fields in both windows that belong together

SAP Error Message - Details

• Message type: E = Error

• Message class: ALSMEX - Message Class for Legacy Data Transfer

• Message number: 010

• Message text: Select the fields in both windows that belong together

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ALSMEX010 - Select the fields in both windows that belong together ?

  The SAP error message ALSMEX010 typically occurs when using the LSMW (Legacy System Migration Workbench) tool in SAP. This error indicates that there is a mismatch in the field selection between the source structure and the target structure during the data migration process. Specifically, it means that the fields selected in the source and target windows do not correspond correctly.
  Cause:
  The error is caused by one of the following reasons:
  
  Field Mismatch: The fields selected in the source and target do not match in terms of their data types or structure.
  Incorrect Mapping: The mapping of fields between the source and target structures is not correctly defined.
  Missing Fields: Some required fields may not have been selected in either the source or target structure.
  
  Solution:
  To resolve the ALSMEX010 error, follow these steps:
  
  
  Check Field Selection:
  
  Go to the LSMW project and navigate to the step where you define the field mapping.
  Ensure that the fields selected in both the source and target structures correspond correctly. Each field in the source should have a matching field in the target.
  
  
  
  Review Mapping:
  
  Verify the mapping of fields. Make sure that each source field is mapped to the correct target field.
  If necessary, adjust the mapping to ensure that all fields are aligned correctly.
  
  
  
  Add Missing Fields:
  
  If you find that some fields are missing in either the source or target, add them as needed.
  Ensure that all required fields are included in the mapping.
  
  
  
  Data Types:
  
  Check the data types of the fields in both structures. Ensure that they are compatible (e.g., if one is a numeric field, the other should also be numeric).
  
  
  
  Test the Mapping:
  
  After making the necessary adjustments, test the mapping again to see if the error persists.
  
  
  
  Documentation:
  
  Refer to the SAP documentation or help files for LSMW for additional guidance on field mapping and structure definitions.
  
  
  
  Related Information:
  
  LSMW: A tool used in SAP for data migration from legacy systems to SAP systems.
  Field Mapping: The process of defining how fields in the source data correspond to fields in the target SAP structure.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.