How to fix the Oracle error LPX-00247: invalid Document Type Declaration (DTD)?

In this post, you’ll learn more about the Oracle ErrorLPX-00247: invalid Document Type Declaration (DTD) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

LPX-00247: invalid Document Type Declaration (DTD)

Reason for the Error LPX-00247: invalid Document Type Declaration (DTD)

Cause: Problems were encountered in the DTD declaration.

How to fix the Error LPX-00247: invalid Document Type Declaration (DTD) ?

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

Action: Review the DTD and correct the problems.