How To Fix OO763 - The value to be set is not of the type of the attribute or the parameter

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 763

• Message text: The value to be set is not of the type of the attribute or the parameter

What causes this issue?

An attribute or a parameter should be allocated with a value. However
the given value cannot be converted into the type of the attribute or
the parameter.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OO763 - The value to be set is not of the type of the attribute or the parameter ?

  The SAP error message OO763 indicates that there is a type mismatch between the value being set and the expected type of the attribute or parameter in an object-oriented context. This typically occurs in ABAP when you are trying to assign a value to an attribute or parameter that does not match the defined data type.
  Cause:
  
  Data Type Mismatch: The value you are trying to assign is of a different data type than what the attribute or parameter expects. For example, you might be trying to assign a string to an integer attribute.
  Incorrect Value Format: The format of the value being assigned may not be compatible with the expected format of the attribute or parameter.
  Null or Uninitialized Values: Attempting to assign a null or uninitialized value to a non-nullable attribute can also trigger this error.
  
  Solution:
  
  
  Check Data Types: Verify the data type of the attribute or parameter you are trying to set. Ensure that the value you are assigning matches this data type.
  
  Use the ABAP Data Dictionary (SE11) to check the definitions of the attributes or parameters.
  
  
  
  Type Conversion: If necessary, perform explicit type conversion to ensure that the value being assigned is of the correct type. For example, if you need to assign a string to an integer, you can use the CONVERT statement or appropriate ABAP functions to convert the data type.
  DATA: lv_string TYPE string,
        lv_integer TYPE i.
  
  lv_string = '123'.
  lv_integer = lv_string. " This will cause OO763 error
  lv_integer = lv_string + 0. " Correct way to convert
  
  
  Check Value Initialization: Ensure that the value being assigned is properly initialized and not null if the attribute or parameter does not allow null values.
  
  
  Debugging: Use the ABAP debugger to step through the code and inspect the values and types of the variables at runtime. This can help identify where the mismatch is occurring.
  
  
  Review Object Definitions: If you are working with classes or interfaces, review the definitions to ensure that the attributes and parameters are correctly defined and that you are using them as intended.
  
  
  Related Information:
  
  ABAP Data Types: Familiarize yourself with the various data types in ABAP, such as elementary types (e.g., i, f, string, etc.) and complex types (e.g., structures, tables).
  Type Checking: ABAP has strict type checking, especially in object-oriented programming. Always ensure that the types match when assigning values.
  Documentation: Refer to the SAP Help Portal or ABAP documentation for more details on data types and object-oriented programming in ABAP.
  
  By following these steps, you should be able to resolve the OO763 error and ensure that your code is functioning correctly.