How To Fix DDVIDB057 - Data type & is not allowed in aggregate functions

SAP Error Message - Details

• Message type: E = Error

• Message class: DDVIDB - Database-specific parts of views

• Message number: 057

• Message text: Data type & is not allowed in aggregate functions

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDVIDB057 - Data type & is not allowed in aggregate functions ?

  The SAP error message DDVIDB057 indicates that a specific data type is not allowed in aggregate functions. This typically occurs when you are trying to use a field with an incompatible data type in an aggregate function (like SUM, AVG, COUNT, etc.) in a query or report.
  Cause:
  The error is caused by attempting to perform an aggregate operation on a field that is not suitable for such operations. Common reasons include:
  
  The field is of a non-numeric data type (e.g., character, date, etc.).
  The field is a complex data type that cannot be aggregated.
  The field is defined in a way that does not support aggregation in the context of the query.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Types: Review the data types of the fields you are using in your aggregate functions. Ensure that you are only using numeric fields (e.g., INTEGER, DECIMAL, FLOAT) in aggregate functions.
  
  
  Modify the Query: If you are using a non-numeric field in an aggregate function, you will need to modify your query. For example:
  
  If you are trying to sum a character field, consider converting it to a numeric type if applicable.
  If the field is a date, you might want to use a different function that is appropriate for date types (e.g., COUNT for counting occurrences).
  
  
  
  Use CASE Statements: If you need to conditionally aggregate based on certain criteria, consider using a CASE statement to filter or convert the data appropriately.
  
  
  Check for Null Values: Ensure that the fields being aggregated do not contain null values that could affect the operation.
  
  
  Consult Documentation: Refer to SAP documentation or the data dictionary for the specific data types and their compatibility with aggregate functions.
  
  
  Related Information:
  
  SAP Data Dictionary: You can check the data types of fields in the SAP Data Dictionary (transaction SE11) to understand their properties.
  SQL Syntax: Familiarize yourself with SQL syntax and functions to ensure you are using the correct functions for the data types you are working with.
  SAP Community: If you continue to face issues, consider reaching out to the SAP Community or forums for additional support and insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.