Webform Error - Expected one PriceSet but found 25
Webform doesn't use pricesets.  Are you using a normal fully-configured contribution page that has a priceset?  If so, try a simple contribution page as described here: https://wiki.civicrm.org/confluence/display/CRMDOC/Webform+CiviCRM+Integration#WebformCiviCRMIntegration-Acceptingpaymentsthroughawebform