How To Fix SD_DT053 - Datatype &1 is not allowed in group by clause

SAP Error Message - Details

• Message type: E = Error

• Message class: SD_DT - DD: Messages for Tuning Objects

• Message number: 053

• Message text: Datatype &1 is not allowed in group by clause

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SD_DT053 - Datatype &1 is not allowed in group by clause ?

  The SAP error message SD_DT053 indicates that there is an issue with the data type being used in a GROUP BY clause in an ABAP program or SQL query. Specifically, it means that the datatype specified (represented by &1) is not permitted in a GROUP BY clause.
  Cause:
  The error typically arises due to one of the following reasons:
  
  Invalid Data Type: The datatype used in the GROUP BY clause is not supported. For example, certain complex data types or non-aggregatable types cannot be used in grouping operations.
  Incorrect Field Usage: You might be trying to group by a field that is not suitable for aggregation, such as a field that is not part of the database table or a calculated field that cannot be grouped.
  Database Constraints: The underlying database may have restrictions on the types of fields that can be used in a GROUP BY clause.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Data Types: Review the data type of the field you are trying to use in the GROUP BY clause. Ensure that it is a valid type (e.g., numeric, character) that can be grouped.
  
  
  Modify the Query: If the field is not suitable for grouping, consider modifying your query to use a different field that is appropriate for the GROUP BY clause.
  
  
  Use Aggregation Functions: If you need to perform calculations, consider using aggregation functions (like SUM, COUNT, AVG, etc.) on the fields you want to retrieve, while grouping by valid fields.
  
  
  Review Documentation: Check the SAP documentation or the specific database documentation for any restrictions on the use of data types in GROUP BY clauses.
  
  
  Test with Simple Queries: If you're unsure about the data types, try running simpler queries to isolate the issue. Start with basic SELECT statements and gradually add complexity.
  
  
  Related Information:
  
  ABAP Documentation: Refer to the ABAP documentation for more details on SQL syntax and the use of GROUP BY.
  Database Documentation: Depending on the database you are using (e.g., HANA, Oracle, etc.), consult the specific documentation for any limitations or rules regarding GROUP BY clauses.
  SAP Community: You can also search for similar issues in the SAP Community forums, where other users may have encountered and resolved the same error.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.