How to fix the Oracle error ORA-27455: Only “SYS” is a valid schema for a string.?

In this post, you’ll learn more about the Oracle ErrorORA-27455: Only “SYS” is a valid schema for a string. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-27455: Only “SYS” is a valid schema for a string.

Reason for the Error ORA-27455: Only “SYS” is a valid schema for a string.

A non-SYS schema was specified for an object that must be in the SYS schema.

How to fix the Error ORA-27455: Only “SYS” is a valid schema for a string. ?

You can fix this error in Oracle by following the below steps

Reissue the command, leaving out the schema name or using the schema name of SYS.