How To Fix GG647 - The installation of table & cannot be changed

GG647 - Overview

• Message type: E = Error

• Message class: GG - Messages for FI-SL customizing

• Message number: 647

• Message text: The installation of table & cannot be changed

What causes this issue?

Tables GLT0, GLT1 and GLT2, as well as line item tables GLS1 and GLS2
are delivered as SAP standard tables. You cannot modify the
installation of these tables using this transaction. There are also
several tables (for example, GLREFT, GLTO1) that are delivered as
standard example tables only and you cannot therefore install these
tables.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GG647 - The installation of table & cannot be changed ?

  The SAP error message GG647, which states "The installation of table & cannot be changed," typically occurs when there is an attempt to modify a table that is either in a locked state or has been installed in a way that prevents changes. This can happen during various operations, such as when trying to adjust the structure of a database table or during a transport request.
  Causes:
  
  Table Locking: The table may be locked due to ongoing transactions or processes that are currently using it.
  Transport Issues: The table might be part of a transport request that is not yet released or is in a state that prevents changes.
  Database Constraints: There may be database-level constraints or settings that prevent modifications to the table.
  Development Environment: If you are working in a development environment, the table might be in a state that is not allowing changes due to system settings or configurations.
  
  Solutions:
  
  Check Table Lock: Use