What version of Designer are you using? Can you try with latest 8.2 Alpha2 and try to re-create?
If you can re-produce with latest version, re-open this JIRA along with any details you can provide https://issues.jboss.org/browse/TEIIDDES-1544
I tried both Teiid Designers 8.1 Final and 8.2 Alpha1 versions. But we are getting same error.
I will try it in Teiid Designer 8.2 Alpha2, Thanks for your suggestion and help.
I tried with Teiid Designer 8.2 Alpha2 version also, but still now it's getting same exception, what I was getting using the previous versions (like Teiid 8.1 Final and 8.2Alpha1).