How To Fix /STMC/CR_MSG688 - Error while editing HTTP connection &1; &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /STMC/CR_MSG -

• Message number: 688

• Message text: Error while editing HTTP connection &1; &2

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 /STMC/CR_MSG688 - Error while editing HTTP connection &1; &2 ?

  The SAP error message /STMC/CR_MSG688 typically indicates an issue encountered while editing an HTTP connection in the SAP system. This error can arise due to various reasons, including configuration issues, missing parameters, or connectivity problems.
  Cause
  
  Configuration Issues: The HTTP connection may not be properly configured. This could include incorrect URLs, missing authentication details, or invalid parameters.
  Authorization Problems: The user may not have the necessary authorizations to edit the HTTP connection.
  Network Issues: There could be network connectivity problems that prevent the SAP system from reaching the specified HTTP endpoint.
  Service Availability: The service you are trying to connect to may be down or unavailable.
  Incorrect HTTP Method: The HTTP method (GET, POST, etc.) used in the connection might not be supported by the target service.
  
  Solution
  
  Check Configuration: Review the configuration of the HTTP connection in transaction SM59. Ensure that all parameters, including the target host, port, and path, are correctly set.
  Verify Authorizations: Ensure that the user has the necessary authorizations to edit the HTTP connection. This can be checked in transaction SU53 or by consulting with your security team.
  Test Connectivity: Use tools like ping or telnet to check if the SAP system can reach the target HTTP service. You can also use transaction SMICM to check the ICM (Internet Communication Manager) logs for any connectivity issues.
  Check Service Status: Verify that the target HTTP service is up and running. You can do this by accessing the service URL directly from a web browser or using tools like curl.
  Review HTTP Method: Ensure that the correct HTTP method is being used in the connection settings. If necessary, consult the API documentation of the service you are connecting to.
  
  Related Information
  
  Transaction Codes: 
  
  SM59: To manage RFC connections, including HTTP connections.
  SMICM: To monitor and manage the Internet Communication Manager.
  SU53: To analyze authorization issues.
  
  
  Logs: Check the application logs and ICM logs for more detailed error messages that can provide additional context about the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to HTTP connections.
  
  If the problem persists after checking these areas, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have already taken to troubleshoot it.