How To Fix GT138 - Nametab reconstruction table &

SAP Error Message - Details

• Message type: E = Error

• Message class: GT - Database utilities

• Message number: 138

• Message text: Nametab reconstruction table &

What causes this issue?

The nametab (structure description) of the table was obtained from the
database definition. Some important information, however, cannot be
derived from the database definition. Therefore the table activation
must be followed by a reconstruction.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GT138 - Nametab reconstruction table & ?

  The SAP error message GT138, which refers to "Nametab reconstruction table &," typically occurs in the context of issues related to the name tab (nametab) in SAP systems. This error can arise during various operations, such as when trying to access or modify data in the system.
  Cause:
  The error GT138 usually indicates that there is a problem with the nametab reconstruction process. This can happen due to several reasons, including:
  
  Data Inconsistencies: There may be inconsistencies or corruption in the data that the nametab is trying to access or reconstruct.
  Missing Entries: Required entries in the nametab may be missing or incorrectly configured.
  System Configuration Issues: There may be issues with the configuration of the SAP system that affect how the nametab is constructed or accessed.
  Transport Issues: If changes were transported from one system to another, there may be issues with the transport that affect the nametab.
  
  Solution:
  To resolve the GT138 error, you can take the following steps:
  
  Check for Data Inconsistencies: Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check the relevant tables for inconsistencies or missing entries.
  Rebuild the Nametab: You may need to manually trigger a nametab reconstruction. This can often be done through transaction codes like SE38 (ABAP Editor) by executing the program that handles nametab reconstruction.
  Review System Configuration: Ensure that the system configuration is correct and that all necessary settings are in place for the nametab to function properly.
  Check Transport Logs: If the issue arose after a transport, check the transport logs for any errors or warnings that may indicate what went wrong.
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP Notes often provide detailed instructions for resolving known issues.
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11, SE16, SE38, and SE80, which are useful for checking and managing database objects and programs.
  SAP Notes: Regularly check the SAP Support Portal for updates and notes related to your specific version of SAP, as they may contain fixes or workarounds for known issues.
  Documentation: Review SAP documentation related to nametabs and data dictionary management for a deeper understanding of how these components work.
  
  By following these steps, you should be able to diagnose and resolve the GT138 error in your SAP system.