Oracle Solution for Error ora-53008

Solution for Oracle Error ORA-53008

ORA-53008: The tag value is not a registered schema.

What triggered the Error:

The schema URL specified by the value of the tag was not a registered Oracle XML DB schema.

What should we do to fix it:

Specify a registered schema URL value. See the ALL_XML_SCHEMAS view for a list of registered schemas. See the Oracle XML DB Developers's Guide for information about registering schemas. See the Oracle Multimedia documentation for information about the mapping document schema (ordcmmp.xsd).