How To Fix FDT_EXPRESSIONS469 - &1 has unexpected type

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 469

• Message text: &1 has unexpected type

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS469 - &1 has unexpected type ?

  The SAP error message FDT_EXPRESSIONS469 typically indicates that there is a type mismatch in an expression or a field within a formula or expression in the context of SAP's Flexible Data Types (FDT). This error occurs when the system encounters a data type that it does not expect or cannot process correctly.
  Cause:
  
  Type Mismatch: The most common cause is that the expression is trying to use a data type that is incompatible with the expected type. For example, trying to perform arithmetic operations on a string or using a date where a number is expected.
  Incorrect Field Mapping: If fields are mapped incorrectly in a data model or transformation, it can lead to this error.
  Data Type Definition: The data type of a field may not be defined correctly in the underlying data structure or model.
  Custom Logic: If there is custom logic or user-defined functions involved, they may not be handling data types correctly.
  
  Solution:
  
  Check Data Types: Review the expression or formula that is causing the error. Ensure that all fields and variables used in the expression are of the correct data type.
  Field Mapping: Verify that the fields are mapped correctly in the data model. Ensure that the source and target fields have compatible data types.
  Debugging: Use debugging tools to trace the execution of the expression and identify where the type mismatch occurs.
  Adjust Expressions: Modify the expression to ensure that it uses compatible data types. For example, if a string is being used in a numeric calculation, convert it to a number first.
  Consult Documentation: Refer to SAP documentation for Flexible Data Types and expressions to understand the expected data types and how to handle them properly.
  Testing: After making changes, test the expression thoroughly to ensure that it works as expected without causing further errors.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Look for discussions in SAP Community forums where other users may have encountered and resolved similar issues.
  SAP Help Portal: Utilize the SAP Help Portal for detailed information on Flexible Data Types and expressions.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the context in which the error occurs.