/ASU/GENERAL305 - No protocol found

SAP Error Message - Details

• Message type: E = Error

• Message class: /ASU/GENERAL -

• Message number: 305

• Message text: No protocol found

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.

AnswerBot

• What is the cause and solution for SAP error message /ASU/GENERAL305 - No protocol found ?

  The SAP error message /ASU/GENERAL305 No protocol found typically indicates that the system is unable to find a suitable communication protocol for the operation you are trying to perform. This can occur in various contexts, such as when trying to connect to a service or when configuring communication settings in SAP.
  Causes:
  
  Missing Configuration: The communication protocol (like HTTP, HTTPS, etc.) may not be configured correctly in the SAP system.
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the required service.
  Service Unavailability: The service you are trying to connect to may be down or not available.
  Incorrect URL or Endpoint: The URL or endpoint you are trying to access may be incorrect or malformed.
  Authorization Issues: The user may not have the necessary permissions to access the service.
  
  Solutions:
  
  
  Check Configuration:
  
  Ensure that the communication protocols are correctly configured in the SAP system. This can usually be done in transaction codes like SOAMANAGER for web services or SMICM for ICM settings.
  Verify that the necessary services are activated in the SAP Gateway.
  
  
  
  Network Connectivity:
  
  Test the network connection to the service endpoint. You can use tools like ping or telnet to check connectivity.
  Ensure that firewalls or network security settings are not blocking the required ports.
  
  
  
  Service Availability:
  
  Check if the service you are trying to access is up and running. You may need to contact the service provider or check the service logs.
  
  
  
  Verify URL/Endpoint:
  
  Double-check the URL or endpoint you are using to ensure it is correct. Look for typos or incorrect parameters.
  
  
  
  Authorization:
  
  Ensure that the user has the necessary authorizations to access the service. You may need to check user roles and permissions in the SAP system.
  
  
  
  Review Logs:
  
  Check the SAP application logs (transaction SLG1) for more detailed error messages that might provide additional context about the issue.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the specific module or service you are working with to ensure all configurations are correct.
  Community Forums: Consider checking SAP Community forums or other online resources where similar issues may have been discussed.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.