Unable to tag the database using Liquibase for future rollback

<?xml version="1.0" encoding="UTF-8"?> http://www.liquibase.org/xml/ns/dbchangelog/1.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog/1.9 http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-1.9.xsd"> create table test (id number);

When I am removing tag from file, I am not getting any error. It is only when I am adding this tag, I am getting above error. Please let me know, if I am missing any thing or making any mistake here.

Any chance you found a solution for this as I keep getting schema error when I add tagDatabase to the xml?