How to fix the Oracle error ORA-13644: The user “string” is invalid.?

In this post, you’ll learn more about the Oracle ErrorORA-13644: The user “string” is invalid. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-13644: The user “string” is invalid.

Reason for the Error ORA-13644: The user “string” is invalid.

Invalid user name specified to advisor framework

How to fix the Error ORA-13644: The user “string” is invalid. ?

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

User should specify a correct, case-sensitive, name

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