How To Fix /SAPTRX/ASC128 - Specify an existing structure or table name before choosing a field name

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPTRX/ASC -

• Message number: 128

• Message text: Specify an existing structure or table name before choosing a field name

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPTRX/ASC128 - Specify an existing structure or table name before choosing a field name ?

  The SAP error message /SAPTRX/ASC128 Specify an existing structure or table name before choosing a field name typically occurs in the context of ABAP programming or when working with data dictionary objects in SAP. This error indicates that the system expects you to specify a valid structure or table name before you can select a field name from it.
  Cause:
  
  Missing Table/Structure Name: The most common cause of this error is that the user has not specified a valid table or structure name in the relevant context (e.g., when defining a data element, creating a report, or using a data dictionary).
  Typographical Error: There may be a typo in the table or structure name that prevents the system from recognizing it.
  Non-Existent Object: The specified table or structure may not exist in the system, or it may not be activated.
  Contextual Misuse: The error can also occur if the field selection is being attempted in a context where it is not applicable (e.g., trying to select fields without a proper context).
  
  Solution:
  
  Specify a Valid Table/Structure: Ensure that you have entered a valid and existing table or structure name before attempting to select a field. You can do this in the ABAP editor or data dictionary.
  Check for Typos: Double-check the spelling of the table or structure name to ensure there are no typographical errors.
  Verify Existence: Use transaction SE11 (Data Dictionary) to verify that the table or structure exists and is active. If it is not active, activate it.
  Contextual Review: Review the context in which you are trying to select the field. Ensure that you are in the correct section of the program or transaction where field selection is allowed.
  Use F4 Help: When entering the table or structure name, use the F4 help functionality to select from existing objects, which can help avoid errors.
  
  Related Information:
  
  Transaction Codes: 
  
  SE11: Data Dictionary - to check and manage tables and structures.
  SE80: Object Navigator - to work with various objects including programs and function modules.
  
  
  ABAP Programming: Familiarity with ABAP programming concepts and data dictionary objects is essential for resolving this error.
  SAP Notes: Check SAP Notes for any specific issues related to the version of SAP you are using, as there may be known issues or patches available.
  
  By following these steps, you should be able to resolve the error and continue with your work in SAP.