How to fix the Oracle error ORA-31151: Cyclic definition encountered for string: “string”?

In this post, you’ll learn more about the Oracle ErrorORA-31151: Cyclic definition encountered for string: “string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-31151: Cyclic definition encountered for string: “string”

Reason for the Error ORA-31151: Cyclic definition encountered for string: “string”

The schema definition for this type has cycles.

How to fix the Error ORA-31151: Cyclic definition encountered for string: “string” ?

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

Remove cyclic definition and re-compile schema.