How To Fix WS_TOOL863 - Structure &1 was changed incompatibly; structure was reconstructed

SAP Error Message - Details

• Message type: E = Error

• Message class: WS_TOOL - Message Class for Web Services and Virtual Endpoints

• Message number: 863

• Message text: Structure &1 was changed incompatibly; structure was reconstructed

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS_TOOL863 - Structure &1 was changed incompatibly; structure was reconstructed ?

  Certainly! Here's a detailed explanation regarding the SAP error message:
  
  SAP Error Message:
  WS_TOOL863 Structure &1 was changed incompatibly; structure was reconstructed
  
  
  Cause:
  This error occurs when a data structure (e.g., a DDIC structure or a work area type) used in the ABAP program or tool has been changed incompatibly after it was initially used or activated. The system detects that the structure's definition has changed in a way that is not backward compatible, and as a result, it reconstructs the structure internally.
  Typical scenarios causing this error include:
  
  Changing the type or length of fields in a structure.
  Adding or removing fields in a structure that is already in use.
  Changing the order of fields in the structure.
  Changing the data element or domain of a field.
  Modifying a structure that is part of a generated runtime object or tool (e.g., a tool-generated structure in the ABAP Workbench or a generated interface).
  
  The system tries to maintain consistency by reconstructing