How To Fix SD_EXPRESSION067 - Function &1: Narrowing type &2(&3, &4) not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: SD_EXPRESSION - Messages processing AST expressions

• Message number: 067

• Message text: Function &1: Narrowing type &2(&3, &4) not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SD_EXPRESSION067 - Function &1: Narrowing type &2(&3, &4) not allowed ?

  The SAP error message SD_EXPRESSION067 typically occurs in the context of ABAP programming, particularly when dealing with type conversions or expressions that involve narrowing type casts. This error indicates that there is an attempt to perform a narrowing conversion from one data type to another, which is not allowed in the context of the operation being performed.
  Cause:
  The error arises when:
  
  You are trying to assign a value of a broader data type to a variable of a narrower data type without an explicit conversion.
  The types involved are incompatible, and the system cannot safely convert the value without risking data loss.
  
  For example, if you are trying to assign a FLOAT value to an INT variable directly, this would trigger the error because it could lead to loss of precision.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Types: Review the data types involved in the operation. Ensure that you are not trying to assign a broader type to a narrower type without proper conversion.
  
  
  Explicit Type Conversion: If you need to convert a broader type to a narrower type, use explicit type conversion functions. For example:
  
  Use CAST or CONVERT functions to safely convert the data type.
  Example: If you are converting a FLOAT to an INT, you can use:
  DATA: lv_float TYPE f,
        lv_int   TYPE i.
  lv_float = 123.45.
  lv_int = CAST i( lv_float ).  " This will convert the float to int
  
  
  
  
  Review Logic: Ensure that the logic of your program does not inherently require narrowing conversions that could lead to data loss. If possible, redesign the logic to avoid such conversions.
  
  
  Debugging: If you are unsure where the error is occurring, use debugging tools in the ABAP Workbench to trace the execution and identify the exact line of code causing the issue.
  
  
  Related Information:
  
  Data Types in ABAP: Familiarize yourself with the different data types in ABAP and their compatibility. Understanding the hierarchy of data types can help prevent such errors.
  ABAP Documentation: Refer to the official SAP documentation for more details on type conversions and the use of specific functions for data type handling.
  Community Forums: If you continue to face issues, consider reaching out to SAP community forums or support channels where experienced developers can provide insights based on similar experiences.
  
  By following these steps, you should be able to resolve the SD_EXPRESSION067 error and ensure that your ABAP code handles data types correctly.