How To Fix 55507 - Error at logon: user &1 must execute logon first

SAP Error Message - Details

• Message type: E = Error

• Message class: 55 - Messages for development class EENO

• Message number: 507

• Message text: Error at logon: user &1 must execute logon first

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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Smart SAP Assistant

• What is the cause and solution for SAP error message 55507 - Error at logon: user &1 must execute logon first ?

  The SAP error message 55507 indicates that a user is attempting to access a system or perform an action without having completed the necessary logon process. This error typically occurs when a user tries to execute a transaction or access a function that requires a valid session, but the system does not recognize the user as logged in.
  Cause:
  
  User Not Logged In: The most common cause is that the user has not logged into the SAP system properly.
  Session Timeout: The user’s session may have timed out due to inactivity.
  Multiple Sessions: If the user is trying to access multiple sessions and one of them has been terminated, it may lead to this error.
  Authorization Issues: There may be issues with user authorizations that prevent the user from logging in correctly.
  Network Issues: Connectivity problems may disrupt the logon process.
  
  Solution:
  
  Log In Again: Ensure that the user logs in to the SAP system properly. If the session has timed out, the user should re-enter their credentials.
  Check Session Status: If the user is already logged in, check if there are any active sessions. If there are multiple sessions, try closing the inactive ones.
  Review User Authorizations: Ensure that the user has the necessary authorizations to log in and access the required transactions.
  Network Connectivity: Verify that there are no network issues preventing the user from connecting to the SAP system.
  SAP GUI Settings: Sometimes, issues with the SAP GUI settings can cause logon problems. Ensure that the GUI is configured correctly.
  Contact Administrator: If the problem persists, it may be necessary to contact the SAP system administrator for further investigation. They can check the system logs for any underlying issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Management: Review user management settings in the SAP system to ensure that the user account is active and not locked.
  System Logs: Look into system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SU01 (User Maintenance) to check user details and authorizations.
  
  By following these steps, you should be able to resolve the error message 55507 and successfully log into the SAP system.