How To Fix DLALR020 - Transaction & not known

SAP Error Message - Details

• Message type: E = Error

• Message class: DLALR - Data link to central systems

• Message number: 020

• Message text: Transaction & not known

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 DLALR020 - Transaction & not known ?

  The SAP error message DLALR020 indicates that the transaction you are trying to execute is not recognized or known in the system. This can occur for several reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Incorrect Transaction Code: The transaction code you entered may be misspelled or incorrect.
  Transaction Not Installed: The transaction may not be installed or activated in your SAP system.
  Authorization Issues: You may not have the necessary authorizations to access the transaction.
  System Configuration: The transaction might not be configured correctly in the system.
  Client-Specific Settings: The transaction may be available in other clients but not in the one you are currently using.
  
  Solutions:
  
  Check Transaction Code: Verify that you have entered the correct transaction code. Ensure there are no typos or extra spaces.
  Consult Documentation: Refer to SAP documentation or help files to confirm that the transaction code exists and is valid for your version of SAP.
  Check Authorizations: Ensure that your user profile has the necessary authorizations to access the transaction. You may need to contact your SAP security administrator for assistance.
  Transaction Activation: If the transaction is not installed, you may need to install or activate it. This typically requires administrative access.
  Client Settings: Check if the transaction is available in other clients. If it is, you may need to switch to a different client or request that it be made available in your current client.
  System Configuration: If you suspect a configuration issue, consult with your SAP Basis team or system administrator to ensure that the transaction is properly configured.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the transaction code you are trying to use.
  Transaction Codes: Familiarize yourself with the list of available transaction codes in your SAP system. You can use transaction code SE93 to view the transaction codes and their descriptions.
  User Roles: Review your user roles and profiles in transaction SU01 to ensure you have the necessary permissions.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP support team for further assistance.