How To Fix 5W401 - Transaction &1 not defined (-> table TSTC)

SAP Error Message - Details

• Message type: E = Error

• Message class: 5W - Messages for PD (Particularly Workflow)

• Message number: 401

• Message text: Transaction &1 not defined (-> table TSTC)

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 5W401 - Transaction &1 not defined (-> table TSTC) ?

  The SAP error message 5W401 indicates that a specific transaction code (represented by &1 in the message) is not defined in the system. This typically means that the transaction code you are trying to execute does not exist in the system's transaction table (TSTC).
  Cause:
  
  Transaction Code Does Not Exist: The transaction code you are trying to access may not be defined in the system. This could be due to a typo or because the transaction has not been created or activated.
  Missing Authorization: In some cases, the transaction code may exist, but the user does not have the necessary authorizations to access it.
  System Configuration: The transaction may be part of a specific module or configuration that is not installed or activated in your SAP system.
  Transport Issues: If the transaction was recently transported from another system, there may have been issues during the transport process.
  
  Solution:
  
  Check Transaction Code: Verify that you have entered the correct transaction code. Ensure there are no typos or incorrect characters.
  Check TSTC Table: Use transaction SE11 (Data Dictionary) to check the TSTC table for the existence of the transaction code. If it does not exist, you may need to create it or check with your SAP administrator.
  Authorization Check: Ensure that your user profile has the necessary authorizations to access the transaction. You can check this with your security administrator.
  Consult Documentation: If the transaction is part of a specific module, consult the relevant documentation to ensure that the module is installed and configured correctly.
  Transport Request: If the transaction was supposed to be transported from another system, check the transport logs for any errors and ensure that the transport was successful.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  TSTC Table: This table contains all the transaction codes defined in the SAP system. You can view it using transaction SE11 or SE16.
  Authorization Objects: If you suspect an authorization issue, you can check the relevant authorization objects using transaction SU21.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address known issues related to the specific transaction code.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.