How To Fix CNV_21538020 - Date type &1 not defined in T548Y

CNV_21538020 - Overview

• Message type: E = Error

• Message class: CNV_21538 - Date Type Rename

• Message number: 020

• Message text: Date type &1 not defined in T548Y

Self-Explanatory Message

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CNV_21538020 - Details

• The SAP error message CNV_21538020, which states "Date type &1 not defined in T548Y," typically occurs during the conversion or migration of data, particularly when dealing with date types in the SAP system. The error indicates that a specific date type (represented by &1) is not defined in the T548Y table, which is used to store date type definitions.
  
  Cause:
  
  Missing Date Type Definition: The date type that is being referenced in the process is not defined in the T548Y table. This could happen if the date type was never created or if it was deleted or modified incorrectly.
  
  Configuration Issues: There may be issues with the configuration settings in the SAP system that prevent the date type from being recognized.
  Data Migration Issues: If you are migrating data from another system, the date type may not have been included in the migration process.
  
  
  Solution:
  
  
  Check T548Y Table: 
  
  Use transaction code SE11 (Data Dictionary) to view