How To Fix SHTTP021 - Error in Control Framework. Restart transaction.

SHTTP021 - Overview

• Message type: E = Error

• Message class: SHTTP - Messages for Development Class SHTTP

• Message number: 021

• Message text: Error in Control Framework. Restart transaction.

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 SHTTP021 - Error in Control Framework. Restart transaction. ?

  The SAP error message SHTTP021: Error in Control Framework. Restart transaction. typically indicates an issue with the SAP GUI or the underlying control framework that manages the user interface components. This error can occur due to various reasons, including network issues, session timeouts, or problems with the SAP GUI installation.
  Causes:
  
  Network Issues: Temporary network disruptions can lead to communication problems between the SAP GUI and the application server.
  Session Timeout: If a user session has been inactive for too long, it may time out, leading to this error.
  SAP GUI Issues: Corrupted or outdated SAP GUI installations can cause control framework errors.
  Browser Compatibility: If you are using SAP GUI for HTML, browser compatibility issues may arise.
  Server Issues: Problems on the application server side, such as resource constraints or configuration issues, can also trigger this error.
  
  Solutions:
  
  Restart the Transaction: As the error message suggests, try restarting the transaction. Close the current session and log in