How To Fix SDDL_PARSER_MSG377 - Function expression "&1" cannot be used as aggregate function parameters

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 377

• Message text: Function expression "&1" cannot be used as aggregate function parameters

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG377 - Function expression "&1" cannot be used as aggregate function parameters ?

  The SAP error message SDDL_PARSER_MSG377 indicates that there is an issue with the use of an expression in a function that is expected to be an aggregate function parameter. This typically occurs in the context of SAP's data modeling or reporting tools, where certain expressions or functions are expected to follow specific syntax and usage rules.
  Cause:
  The error arises when:
  
  An expression that is not valid as an aggregate function parameter is being used. Aggregate functions typically require specific types of inputs (e.g., numeric values, certain data types).
  The expression may be incorrectly formulated or may not conform to the expected structure for aggregate functions.
  There may be a misunderstanding of the context in which the function is being used, leading to the inclusion of inappropriate parameters.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Review the Expression: Check the expression that is causing the error. Ensure that it is a valid input for the aggregate function you are trying to use. For example, if you are using functions like SUM, AVG, etc., make sure the parameters are numeric fields.
  
  
  Check Function Syntax: Verify that the syntax of the function is correct. Refer to the SAP documentation for the specific aggregate function you are using to ensure that you are following the correct format.
  
  
  Use Valid Parameters: Ensure that the parameters you are passing to the aggregate function are valid. If you are using calculated fields or expressions, make sure they are defined correctly and return the expected data type.
  
  
  Test with Simple Expressions: If you are unsure about the validity of your expression, try replacing it with a simpler expression or a direct field reference to see if the error persists.
  
  
  Consult Documentation: If you are still having trouble, consult the SAP documentation or community forums for guidance on the specific aggregate function and its requirements.
  
  
  Debugging: If you have access to debugging tools, use them to trace the execution of the function and identify where the error is occurring.
  
  
  Related Information:
  
  Aggregate Functions: These are functions that perform a calculation on a set of values and return a single value. Common examples include SUM, COUNT, AVG, MAX, and MIN.
  Data Types: Ensure that the data types of the fields or expressions being used are compatible with the aggregate function.
  SAP Community: Engage with the SAP community forums or support channels for additional insights and solutions 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.