How To Fix SDDL_PARSER_MSG375 - Expressions cannot be used as parameters of aggregate functions

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 375

• Message text: Expressions cannot be used as parameters of aggregate functions

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG375 - Expressions cannot be used as parameters of aggregate functions ?

  The SAP error message SDDL_PARSER_MSG375 indicates that there is an issue with the use of expressions as parameters in aggregate functions within a query or report. This error typically arises when you attempt to use a non-aggregated expression or a complex expression in a context where only simple fields or aggregated values are expected.
  Cause:
  The error occurs due to the following reasons:
  
  Invalid Expression: You are trying to use an expression (like a calculation or a function) as an argument in an aggregate function (like SUM, AVG, COUNT, etc.) where only simple field names are allowed.
  Syntax Error: There might be a syntax error in the way the aggregate function is being called.
  Contextual Misuse: The context in which the aggregate function is being used does not support expressions as parameters.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Aggregate Function: Ensure that you are using the aggregate function correctly. For example, if you are using SUM, make sure you are passing a field name directly rather than an expression.
  -- Incorrect usage
  SELECT SUM(price * quantity) FROM sales;  -- This may cause the error
  
  -- Correct usage
  SELECT SUM(price) FROM sales;  -- Use simple field names
  
  
  Use Subqueries: If you need to perform calculations, consider using subqueries or Common Table Expressions (CTEs) to first calculate the necessary values and then apply the aggregate function.
  SELECT SUM(total) FROM (
      SELECT price * quantity AS total FROM sales
  ) AS subquery;
  
  
  Review Documentation: Check the SAP documentation for the specific aggregate functions you are using to ensure you are following the correct syntax and usage guidelines.
  
  
  Simplify Expressions: If possible, simplify the expressions you are using in the aggregate functions to ensure they are compatible.
  
  
  Debugging: If you are unsure where the error is occurring, try breaking down your query into smaller parts to isolate the problematic expression.
  
  
  Related Information:
  
  Aggregate Functions: These are functions that perform a calculation on a set of values and return a single value. Common aggregate functions include SUM, AVG, COUNT, MAX, and MIN.
  Expressions: An expression can be a combination of fields, constants, and operators that results in a value. In the context of SQL, expressions can include calculations, string manipulations, etc.
  SAP Query Tools: If you are using SAP Query tools (like SAP Query, ABAP Query, etc.), ensure that you are familiar with the specific limitations and capabilities of those tools regarding aggregate functions.
  
  By following these guidelines, you should be able to resolve the SDDL_PARSER_MSG375 error and successfully execute your queries.