How To Fix 0S151 - No active nametab exists for &

SAP Error Message - Details

• Message type: E = Error

• Message class: 0S - Messages for the SQL trace

• Message number: 151

• Message text: No active nametab exists for &

What causes this issue?

The specified table is not defined in the ABAP Dictionary.
This table will most likely not be defined in the ABAP dictionary in
the future and only exists in the database.
Also, the table may have been deleted from the ABAP dictionary after
the performance trace was created.

System Response

Processing continues after the error message.

How to fix this error?

If the table is only created in the database, you can display the table
definition using database tools.
However, the table cannot be displayed if it was deleted from the ABAP
Dictionary after the performance trace.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0S151 - No active nametab exists for & ?

  The SAP error message 0S151 ("No active nametab exists for &") typically occurs in the context of SAP's ABAP programming environment. This error indicates that the system is unable to find an active name table (nametab) for the specified object or program. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Inactive or Missing Name Table: The error usually arises when the name table for a particular program or object is not active or has not been generated. This can happen if the program has not been properly activated or if there are issues with the transport of the program.
  Development Environment Issues: If you are working in a development environment, it may be that the program has not been compiled or activated correctly.
  Transport Issues: If the program was transported from one system to another (e.g., from development to quality assurance), the name table may not have been included or activated in the target system.
  
  Solution:
  
  Activate the Program: Go to the ABAP Editor (transaction SE38 or SE80) and check if the program is active. If it is not, activate it.
  Check for Syntax Errors: Ensure that there are no syntax errors in the program that might prevent it from being activated.
  Regenerate Name Table: If the program is already active, try to regenerate the name table. This can sometimes be done by reactivating the program or using the "Utilities" menu in the ABAP Editor.
  Transport Request: If the program was transported, ensure that the transport request was completed successfully and that all necessary objects were included in the transport.
  Check for Dependencies: Ensure that all dependent objects (like function modules, classes, etc.) are also active and available in the system.
  System Restart: In some rare cases, a system restart may help resolve temporary issues with the name table.
  
  Related Information:
  
  Transaction Codes: 
  
  SE38: ABAP Editor
  SE80: Object Navigator
  SE11: Data Dictionary (to check for database objects)
  
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for the error message number in the SAP Support Portal.
  Debugging: If the error persists, consider debugging the program to identify where the issue occurs. Use transaction SE80 or SE38 to set breakpoints and analyze the flow of the program.
  
  If the problem continues after trying these solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.