OpManager build: 11100

Database: PostGres

RemoveDBEntriesNew script not working

java.lang.ClassNotFoundException: org.postgresql.Driver
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClassInternal(Unknown Source)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Unknown Source)
        at RemoveDBEntriesNew.getDBConnection(RemoveDBEntriesNew.java:134)
        at RemoveDBEntriesNew.main(RemoveDBEntriesNew.java:33)
Unable to create DB connection