How To Fix CRM_IC_APPL_UI_CHMSG300 - Session ID mismatch on applet connect

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_IC_APPL_UI_CHMSG - Message class for CRM_IC_APPL_UI_COMMCHANNELS

• Message number: 300

• Message text: Session ID mismatch on applet connect

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 CRM_IC_APPL_UI_CHMSG300 - Session ID mismatch on applet connect ?

  The SAP error message "CRM_IC_APPL_UI_CHMSG300 Session ID mismatch on applet connect" typically occurs in the context of SAP CRM (Customer Relationship Management) when there is a problem with the session management between the client and the server. This error is often related to the interaction between the SAP CRM Internet Communication Framework (ICF) and the web browser or the SAP GUI.
  Causes:
  
  Session Expiration: The session may have expired due to inactivity, leading to a mismatch when trying to connect to the applet.
  Browser Cache/Cookies: Corrupted or outdated cache and cookies in the web browser can cause session issues.
  Network Issues: Intermittent network connectivity problems can lead to session mismatches.
  Multiple Sessions: If multiple sessions are opened simultaneously, it can lead to conflicts and mismatches.
  Configuration Issues: Incorrect configuration settings in the SAP system or the web server can also lead to this error.
  
  Solutions:
  
  Refresh the Session: Log out and log back into the SAP CRM system to establish a new session.
  Clear Browser Cache and Cookies: Clear the cache and cookies in your web browser to remove any corrupted session data.
  Check Network Connectivity: Ensure that your network connection is stable and that there are no interruptions.
  Close Unused Sessions: If you have multiple sessions open, close the unnecessary ones to avoid conflicts.
  Review Configuration Settings: Check the configuration settings in the SAP system and the web server to ensure they are set up correctly for session management.
  Update Browser: Ensure that you are using a supported and updated version of the web browser.
  Check SAP Notes: Look for any relevant SAP Notes or patches that may address this specific error.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP support for further assistance. They may provide specific patches or updates that can resolve the issue.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Documentation: Review the official SAP documentation for CRM and ICF for any additional troubleshooting steps or best practices related to session management.
  
  By following these steps, you should be able to resolve the "Session ID mismatch on applet connect" error in SAP CRM.