-25251: Code page to set (<code_page_name>) not found in system table SYSLOADER.CODEPAGE. The privilege to change the content of this table is restricted to SYSDBA.

Explanation:

You have executed the command SET CODEPAGE <code_page_name>. The Loader could not find the code page specified in the command in the system table SYSLOADER.CODEPAGE.

In order to enter code pages in this system table using the SET CODEPAGE <code_page_name> command, it is necessary to log on to the database as a database system administrator (SYSDBA user) with the Loader.

User Response:

Log on to the database as a database system administrator using the Loader and re-execute the command.