How To Fix W8145 - Object type & overwrites initial object type of target element

W8145 - Overview

• Message type: E = Error

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

• Message number: 145

• Message text: Object type & overwrites initial object type of target element

What causes this issue?

The object type of the target element has not been specified. At
runtime, a reference to object type &V1& will be assigned to the target
element.

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 W8145 - Object type & overwrites initial object type of target element ?

  Certainly! Here's a detailed explanation of the SAP error message:
  
  SAP Error Message:
  W8145 Object type & overwrites initial object type of target element
  
  
  Cause:
  This warning message occurs during the development or modification of an ABAP Dictionary object (such as a structure, table, or data element) or during the enhancement of an interface or data flow in tools like SAP BW or SAP PI/PO.
  Specifically, the message indicates that the object type you are trying to assign or use overwrites the initial object type of the target element. In other words, the target element was originally defined with a certain object type (e.g., a data element, structure, or table type), and now the system detects that you are trying to assign or map it to a different object type, which may lead to inconsistencies or unexpected behavior.
  
  When does it typically occur?
  
  When you change the data type or object type of a field or element