Oracle Message ORA-19130 - XQST0070: A static error is raised if the predefined namespace prefix xml or xmlns is redeclared by a namespace declaration or namespace declaration attribute

ERROR	XQST0070: A static error is raised if the predefined namespace prefix xml or xmlns is redeclared by a namespace declaration or namespace declaration attribute
CAUSE	An error occurred during the processing of the XQuery expression.
ACTION	Check the detailed error message for the possible causes.