How To Fix SADL_GTK_GEN018 - Exposure not supported for parameter &1 without a DDIC data element

SADL_GTK_GEN018 - Overview

• Message type: E = Error

• Message class: SADL_GTK_GEN - SADL GTK Generation Messages

• Message number: 018

• Message text: Exposure not supported for parameter &1 without a DDIC data 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.

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_GTK_GEN018 - Exposure not supported for parameter &1 without a DDIC data element ?

  The SAP error message SADL_GTK_GEN018 indicates that there is an issue with the exposure of a parameter in a Data Access Layer (DAL) context, specifically that the parameter does not have a corresponding Data Dictionary (DDIC) data element. This can occur in scenarios where you are trying to expose a parameter in a service definition or a query that is expected to be linked to a DDIC data element, but it is not.
  
  Cause:
  
  Missing DDIC Data Element: The parameter you are trying to expose does not have an associated DDIC data element. This is often the case when the parameter is defined as a simple type or a custom type that is not linked to a DDIC element.
  Incorrect Parameter Definition: The parameter might be defined incorrectly in the context of the service or query, leading to the system not recognizing it as a valid exposure.
  Incompatibility with SADL: The parameter type may