How To Fix MSG_CL_ER263 - Error while sending request to HTTP client

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_CL_ER - Message Class for Enterprise Registry

• Message number: 263

• Message text: Error while sending request to HTTP client

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MSG_CL_ER263 - Error while sending request to HTTP client ?

  The SAP error message MSG_CL_ER263, which indicates "Error while sending request to HTTP client," typically arises when there is an issue with the HTTP communication between the SAP system and an external HTTP client. This can occur in various scenarios, such as when using SAP PI/PO, SAP Gateway, or when making HTTP calls from ABAP programs.
  Causes:
  
  
  Network Issues: Problems with the network connection between the SAP system and the HTTP client can lead to this error. This includes issues like firewalls blocking the connection, DNS resolution problems, or network outages.
  
  
  Incorrect URL: The URL being called may be incorrect or malformed, leading to a failure in establishing a connection.
  
  
  Authentication Issues: If the HTTP client requires authentication (e.g., Basic Auth, OAuth), and the credentials are not provided or are incorrect, the request will fail.
  
  
  Timeouts: If the HTTP request takes too long to respond, it may exceed the timeout settings configured in the SAP system.
  
  
  SSL/TLS Issues: If the connection is over HTTPS, there may be issues with SSL certificates, such as expired certificates or untrusted certificate authorities.
  
  
  SAP Configuration: Incorrect configuration in the SAP system for HTTP services, such as missing or incorrect settings in transaction codes like SICF or SOAMANAGER.
  
  
  Solutions:
  
  
  Check Network Connectivity: Ensure that the SAP system can reach the HTTP client. You can use tools like ping or telnet to test connectivity.
  
  
  Verify URL: Double-check the URL being used in the HTTP request to ensure it is correct and accessible.
  
  
  Authentication: If authentication is required, ensure that the correct credentials are being used. You may need to configure these in the SAP system.
  
  
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the SAP system. This can often be done in the HTTP client configuration.
  
  
  SSL/TLS Configuration: If using HTTPS, check the SSL certificate configuration. Ensure that the certificate is valid and trusted by the SAP system. You may need to import the certificate into the SAP trust store.
  
  
  Review SAP Configuration: Check the configuration in transaction codes like SICF (for HTTP services) and SOAMANAGER (for web service configuration) to ensure everything is set up correctly.
  
  
  Check Logs: Review the application logs (transaction SLG1) and HTTP trace logs (transaction SMICM) for more detailed error messages that can provide additional context.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SICF: For managing HTTP services.
  SOAMANAGER: For web service configuration and management.
  SMICM: For monitoring the Internet Communication Manager (ICM) and checking HTTP traces.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to MSG_CL_ER263.
  
  
  Documentation: Refer to SAP documentation on HTTP communication and web services for best practices and troubleshooting steps.
  
  
  By following these steps, you should be able to diagnose and resolve the MSG_CL_ER263 error effectively.