How To Fix SADL_GW018 - Different message modes within one changeset are not supported

SADL_GW018 - Overview

• Message type: E = Error

• Message class: SADL_GW -

• Message number: 018

• Message text: Different message modes within one changeset are not supported

Self-Explanatory Message

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SADL_GW018 - Details

• The SAP error message SADL_GW018 indicates that there is an issue with the way changesets are being handled in the SAP Gateway. Specifically, it means that different message modes (such as "POST", "PUT", "DELETE") are being mixed within a single changeset, which is not supported by the SAP Gateway.
  
  Cause:
  The error typically arises when you attempt to send multiple operations in a single changeset that use different HTTP methods. For example, if you are trying to perform a "POST" operation (to create a new entity) and a "DELETE" operation (to remove an entity) in the same changeset, the SAP Gateway will reject this request because it expects all operations in a changeset to use the same message mode.
  
  Solution:
  To resolve this error, you should ensure that all operations within a single changeset use the same HTTP method. Here are some steps you can take:
  
  
  Review Your Changeset: Check the operations you are trying