How To Fix W8116 - The data type & cannot be converted to data type &

SAP Error Message - Details

• Message type: E = Error

• Message class: W8 - Workflow: Expressions, data flow

• Message number: 116

• Message text: The data type & cannot be converted to data type &

What causes this issue?

In the binding, two elements with incompatible data types were assigned
to each other.

System Response

This binding instruction is not permitted.

How to fix this error?

A container element which refers to a table or a structure but no
specific field is defined as a CHAR field (length 255).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message W8116 - The data type & cannot be converted to data type & ?

  Certainly! Here's a detailed explanation for SAP error message W8116:
  
  SAP Error Message:
  W8116 The data type & cannot be converted to data type &
  
  Cause:
  This warning occurs when there is an attempt to convert or assign a value from one data type to another incompatible data type in ABAP. The system detects that the source data type cannot be directly converted or assigned to the target data type without explicit conversion or handling.
  Common scenarios include:
  
  Assigning a field of one data type (e.g., CHAR) to another incompatible data type (e.g., NUMC, INT, or a structure).
  Using operations or function modules that expect a certain data type but receive a different one.
  Implicit conversions that are not supported by SAP.
  
  
  Explanation:
  
  The placeholders & in the message are replaced by the actual data types involved.
  For example, the message might read:
  
  "The data type CHAR cannot be converted to data type INT."
  
  
  Solution:
  
  
  Check Data Types:
  
  Verify the data types of the source and target fields or variables.
  Use the ABAP Dictionary (SE11) or the ABAP editor to check the definitions.
  
  
  
  Explicit Conversion:
  
  Use appropriate conversion functions or statements to convert data types explicitly.
  Examples:
  
  Use CONV operator (ABAP 7.40 and above) for explicit conversion:
  target_var = CONV target_type( source_var ).
  
  Use conversion functions like STRING_TO_INT, INT_TO_STRING, or CONVERSION_EXIT_* function modules if applicable.
  For numeric conversions, use MOVE with proper formatting or WRITE/READ statements.
  
  
  
  
  
  Adjust Data Types:
  
  If possible, adjust the data types of variables or fields to be compatible.
  For example, if you need to assign a numeric string to an integer, ensure the string contains only digits and convert it explicitly.
  
  
  
  Check Structures and Complex Types:
  
  If the error involves structures or complex types, ensure you are assigning compatible components or use field-by-field assignment.
  
  
  
  Debugging:
  
  Use the debugger to check the runtime values and data types.
  Identify the exact statement causing the warning.
  
  
  
  
  Related Information:
  
  Message Class: W8 (Conversion and Data Type related warnings)
  Transaction: Occurs in ABAP programs, function modules, or data conversions.
  ABAP Documentation: Refer to SAP Help on data types and conversions.
  Common ABAP Statements Involved: MOVE, MOVE-CORRESPONDING, CONV, CALL FUNCTION, ASSIGN.
  
  
  Example:
  DATA: lv_char TYPE c LENGTH 5,
        lv_int  TYPE i.
  
  lv_char = '12345'.
  
  " This will cause W8116 because CHAR cannot be implicitly converted to INT
  lv_int = lv_char.  " Warning W8116
  
  " Correct way:
  lv_int = CONV i( lv_char ).
  
  If you provide the exact data types involved or the code snippet, I can help with a more specific solution.