How To Fix GPD2018 - TBLP->GTG Migration:PEG_TGTG should be empty before migration.

SAP Error Message - Details

• Message type: E = Error

• Message class: GPD2 - GPD for DIMP4.71 uses message class GPD & GPD2

• Message number: 018

• Message text: TBLP->GTG Migration:PEG_TGTG should be empty before migration.

What causes this issue?

Database table TBLP to PEG_TGTG migration program:
This program is run before any group to group transfers take place on
the DIMP 4.71 system.
Thus, PEG_TGTG should be empty before this migration program is run.
However, the migration program found that there were some records in
PEG_TGTG even before the migration program ran.

System Response

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

How to fix this error?

Empty table PEG_TGTG before running this migration program.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GPD2018 - TBLP->GTG Migration:PEG_TGTG should be empty before migration. ?

  The SAP error message GPD2018 indicates that during the migration process from the TBLP (Table-Based Planning) to GTG (Group Target Group) in the SAP system, the target table PEG_TGTG should be empty before the migration can proceed. This error typically arises when there are existing entries in the PEG_TGTG table that need to be cleared before the migration can be successfully executed.
  Cause:
  The primary cause of this error is that the PEG_TGTG table contains data that conflicts with the migration process. The migration process requires that this table be empty to ensure that the new data can be correctly populated without any conflicts or inconsistencies.
  Solution:
  To resolve this error, you need to ensure that the PEG_TGTG table is empty before attempting the migration again. Here are the steps you can follow:
  
  
  Backup Data: Before making any changes, it is advisable to back up the existing data in the PEG_TGTG table if it is needed for future reference or if it contains important information.
  
  
  Check Existing Entries: Use transaction codes like SE16 or SE11 to view the contents of the PEG_TGTG table. This will help you understand what data is currently present.
  
  
  Delete Existing Entries: If you confirm that the data in the PEG_TGTG table is not needed, you can delete the entries. This can typically be done using a SQL command or through a custom program, depending on your organization's policies and practices. Ensure you have the necessary authorizations to perform this action.
  Example SQL command:
  DELETE FROM PEG_TGTG;
  
  
  Re-attempt Migration: Once the PEG_TGTG table is confirmed to be empty, you can re-initiate the migration process.
  
  
  Monitor for Errors: After re-attempting the migration, monitor the process for any additional errors or warnings that may arise.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), and the specific transaction for migration.
  Documentation: Refer to SAP documentation or notes related to the migration process for any additional prerequisites or steps that may be required.
  Support: If you continue to face issues, consider reaching out to SAP support or consulting with your SAP Basis or functional team for further assistance.
  
  By following these steps, you should be able to resolve the GPD2018 error and successfully complete the migration process.