How To Fix FDT_EXPRESSIONS528 - Incorrect parameter type &1 supplied for function &3, expected type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 528

• Message text: Incorrect parameter type &1 supplied for function &3, expected type &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS528 - Incorrect parameter type &1 supplied for function &3, expected type &2 ?

  The SAP error message FDT_EXPRESSIONS528 indicates that there is a mismatch between the expected parameter type and the type of the parameter that has been supplied to a function in the context of SAP's Flexible Data Import (FDI) or similar functionalities. This error typically arises when working with expressions or functions in the context of data processing or transformation.
  Cause:
  The error occurs due to the following reasons:
  
  Type Mismatch: The function is expecting a parameter of a specific type (e.g., integer, string, date), but the provided parameter does not match this expected type.
  Incorrect Function Usage: The function may be used incorrectly, where the parameters supplied do not align with the function's definition.
  Data Type Conversion Issues: If there are implicit or explicit conversions happening, they may not be handled correctly, leading to this error.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Function Documentation: Review the documentation for the function you are using to understand the expected parameter types. Ensure that you are supplying the correct types.
  
  
  Validate Input Parameters: Before calling the function, validate the types of the parameters you are passing. You can use type-checking functions or assertions to ensure that the parameters match the expected types.
  
  
  Convert Data Types: If necessary, convert the parameters to the expected types before passing them to the function. For example, if the function expects an integer but you are passing a string, convert the string to an integer.
  
  
  Debugging: If you are unsure where the error is occurring, use debugging tools to step through the code and inspect the values and types of the parameters being passed to the function.
  
  
  Consult with Colleagues or SAP Support: If you are unable to resolve the issue, consider reaching out to colleagues who may have experience with the specific function or consult SAP support for assistance.
  
  
  Related Information:
  
  SAP Documentation: Always refer to the official SAP documentation for the specific function you are using to understand its parameters and expected types.
  Data Types in ABAP: Familiarize yourself with the data types used in ABAP (Advanced Business Application Programming) if you are working within an ABAP context.
  Error Handling: Implement error handling in your code to gracefully manage situations where type mismatches may occur.
  
  By following these steps, you should be able to identify and correct the cause of the FDT_EXPRESSIONS528 error in your SAP environment.