How To Fix RSANA_UMM_MLF_API001 - HTTP connection ended with error text: "&1"

SAP Error Message - Details

• Message type: E = Error

• Message class: RSANA_UMM_MLF_API -

• Message number: 001

• Message text: HTTP connection ended with error text: "&1"

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.

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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.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSANA_UMM_MLF_API001 - HTTP connection ended with error text: "&1" ?

  The SAP error message RSANA_UMM_MLF_API001 with the description "HTTP connection ended with error text: '&1'" typically indicates that there was an issue with an HTTP connection during a data transfer or communication process in SAP. This error can occur in various contexts, such as when using SAP's data services, APIs, or when connecting to external systems.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the external service or API.
  Timeouts: The HTTP request may have timed out due to slow response times from the server.
  Authentication Issues: If the external service requires authentication, incorrect credentials or expired tokens can lead to connection failures.
  Configuration Errors: Incorrect configuration settings in the SAP system or the external service can cause connection issues.
  Service Unavailability: The external service may be down or experiencing issues.
  Firewall or Proxy Issues: Firewalls or proxy settings may be blocking the connection.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the external service. You can use tools like ping or traceroute to diagnose network issues.
  Review Timeout Settings: If timeouts are suspected, consider increasing the timeout settings in the SAP system or the external service.
  Verify Authentication: Check the credentials being used for authentication. Ensure they are correct and not expired.
  Review Configuration: Double-check the configuration settings in both the SAP system and the external service to ensure they are correct.
  Check Service Status: Verify that the external service is up and running. You can do this by accessing the service directly through a web browser or using tools like curl.
  Firewall/Proxy Settings: If applicable, review firewall and proxy settings to ensure they are not blocking the connection.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Logs: Review the application logs in SAP (such as the transaction SLG1) for more detailed error messages that can provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.