How To Fix SADL_GW_EXPOSURE030 - Field control name &1, field &2 entity &3 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW_EXPOSURE - SADL Gateway Exposure

• Message number: 030

• Message text: Field control name &1, field &2 entity &3 already exists

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 SADL_GW_EXPOSURE030 - Field control name &1, field &2 entity &3 already exists ?

  The SAP error message SADL_GW_EXPOSURE030 indicates that there is a conflict in the definition of fields in the context of the SAP Gateway and the Service Definition Language (SDL) used in the SAP Application Development Framework. Specifically, the error message states that a field control name, field, and entity combination already exists, which means that there is a duplication in the metadata definitions.
  
  Cause:
  
  Duplicate Field Definitions: The error typically arises when there are multiple definitions for the same field in the same entity or when the same field is being defined in different contexts without proper differentiation.
  Modeling Issues: It can also occur due to issues in the data model where the same field is being exposed multiple times in the service definition.
  Changes in Metadata: If there have been recent changes to the metadata or service definitions, it may lead to inconsistencies that trigger this error.
  
  
  Solution:
  
  Check Field Definitions: Review the field definitions