How To Fix W8086 - Object type & overwritten by object type & in target element

W8086 - Overview

• Message type: E = Error

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

• Message number: 086

• Message text: Object type & overwritten by object type & in target element

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message W8086 - Object type & overwritten by object type & in target element ?

  The SAP error message:
  W8086 Object type & overwritten by object type & in target element
  typically occurs during data transfer or data migration processes, such as when using tools like LSMW (Legacy System Migration Workbench), BAPI calls, or IDocs, where an object type in a target structure or element is being overwritten by another object type.
  
  Cause
  
  Object Type Conflict: The error indicates that in the target structure (e.g., a data element, field, or segment), an object type that was initially assigned is being overwritten by a different object type. This usually happens when the mapping or data transfer logic tries to assign a different object type to the same target element.
  Incorrect Mapping or Data Definition: The source and target object types do not match or are inconsistent. For example, the target element expects a certain object type (e.g., a data element or structure), but the incoming data or mapping tries to assign