How To Fix DMCLG518 - Decimal places of field '&1' (&2) different in '&3' and '&4'

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 518

• Message text: Decimal places of field '&1' (&2) different in '&3' and '&4'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG518 - Decimal places of field '&1' (&2) different in '&3' and '&4' ?

  The SAP error message DMCLG518 indicates a discrepancy in the number of decimal places defined for a specific field in two different contexts, typically between a source and a target structure or between two different data elements. The message format is as follows:
  
  Field Name: &1
  Decimal Places in Source: &2
  Source Structure: &3
  Target Structure: &4
  
  Cause
  This error usually occurs during data transfer or transformation processes, such as during data migration, data loading, or when working with data models in SAP BW (Business Warehouse) or SAP HANA. The root cause is that the field in question has been defined with a different number of decimal places in the source structure compared to the target structure. This can lead to inconsistencies in data representation and storage.
  Solution
  To resolve this error, you can take the following steps:
  
  
  Check Field Definitions:
  
  Review the field definitions in both the source and target structures. Ensure that the number of decimal places for the field is consistent across both structures.
  
  
  
  Adjust Decimal Places:
  
  If the source structure has more decimal places than the target structure, you may need to adjust the target structure to accommodate the additional decimal places.
  Conversely, if the target structure has more decimal places than the source, you may need to adjust the source structure or handle the rounding/truncation of values appropriately.
  
  
  
  Data Mapping:
  
  If you are using a data mapping tool or transformation logic, ensure that the mapping correctly handles the decimal places. You may need to implement rounding or truncation logic to ensure compatibility.
  
  
  
  Testing:
  
  After making the necessary adjustments, perform tests to ensure that the data transfer or transformation works without errors.
  
  
  
  Documentation:
  
  Document any changes made to the field definitions or mappings for future reference and to maintain consistency in your data model.
  
  
  
  Related Information
  
  Data Types: Understanding the data types and their properties in SAP is crucial. Fields can be defined with different data types (e.g., DEC, CURR) that have specific rules regarding decimal places.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  Data Migration Tools: If you are using tools like SAP Data Services or SAP BW, refer to their documentation for best practices on handling decimal places during data migration.
  
  By following these steps, you should be able to resolve the DMCLG518 error and ensure that your data structures are aligned correctly.