Snippet don't show the template

Hello,

I’m with a problem
I’ve created a chunck with a webform and a snippet that will save the values os the webform in a database...
but when I call a snippet don’t show me on the page the webform...

[[guest_reviews? &tpl=`guest_reviews_form`]]

Please can you help me!!?
Thanks

Please anybody could help me!!?

I’m using the version 1.0.3 of the modx and I’ve the same thing on the version 1.0.0 and work very well

Call the snippet uncached [!...!]

Thanks for you answer...

I tryed to make what you said but I continue with the same problem
Could this problem exist because the new version of the modx!!?

What is the snippet code? What is the database queries?
Have you set up your db tables and prefix right.

Have you spelled the chunk right...