How To Fix BCOS028 - List functions are only supported for support messages (Basis messages)

BCOS028 - Overview

• Message type: E = Error

• Message class: BCOS - Create Messages from the Customer System

• Message number: 028

• Message text: List functions are only supported for support messages (Basis messages)

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.

BCOS028 - Details

• The SAP error message BCOS028 indicates that list functions are only supported for support messages, specifically for Basis messages. This error typically arises when you are trying to use list functions in a context that does not support them, such as in a non-Basis message or in a situation where the system does not recognize the context for list processing.
  
  Cause:
  
  Context Misalignment: The error occurs when the system expects a certain type of message (like a Basis message) but receives a different type that does not support list functions.
  Incorrect Configuration: There may be a configuration issue in the system that is causing it to misinterpret the type of message being processed.
  User Permissions: The user may not have the necessary permissions to access or execute list functions in the context they are trying to use them.
  
  
  Solution:
  
  Check Message Type: Ensure that you are working with a Basis message or a support message that