How To Fix CNHT003 - Unknown error occurred at method call of the SAP HTML control

CNHT003 - Overview

• Message type: E = Error

• Message class: CNHT - Messages for SAP HTML control

• Message number: 003

• Message text: Unknown error occurred at method call of the SAP HTML control

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?

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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.

CNHT003 - Details

• The SAP error message CNHT003 ("Unknown error occurred at method call of the SAP HTML control") typically indicates an issue with the SAP GUI for HTML or the underlying web application. This error can arise from various causes, including configuration issues, network problems, or browser compatibility issues.
  Possible Causes:
  
  Browser Compatibility: The SAP HTML control may not be compatible with the browser you are using. Some versions of SAP GUI for HTML have specific browser requirements.
  Network Issues: Connectivity problems between the client and the SAP server can lead to this error.
  Session Timeout: If the session has timed out, it may result in this error when trying to perform an action.
  SAP GUI Version: An outdated version of the SAP GUI or HTML control may cause compatibility issues.
  JavaScript Errors: If there are JavaScript errors in the HTML control, it may lead to this error message.
  
  Configuration Issues: Incorrect configuration settings in the SAP system or