How To Fix OO170 - Attributes are not allowed in remote interfaces. Delete them first.

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 170

• Message text: Attributes are not allowed in remote interfaces. Delete them first.

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 OO170 - Attributes are not allowed in remote interfaces. Delete them first. ?

  The SAP error message OO170, which states "Attributes are not allowed in remote interfaces. Delete them first," typically occurs in the context of ABAP Object-Oriented programming when you are trying to define an interface that is intended to be used remotely (for example, in a Web Service or RFC context). In such cases, the interface cannot contain attributes (i.e., instance variables) because remote interfaces are meant to define methods only.
  
  Cause:
  The error arises because:
  
  You have defined an interface that includes attributes (data members).
  Remote interfaces in SAP do not support attributes, as they are designed to define a contract for methods that can be called remotely.
  
  
  Solution:
  To resolve this error, you need to remove any attributes from the interface definition. Here are the steps to do that:
  
  
  Open the Interface Definition: Go to the ABAP Workbench (transaction SE80 or SE11) and locate the interface that is causing the error.
  
  
  Remove Attributes: 
  
  In the interface definition,