title: Google Analytics analytics.js - Enhanced Ecommerce
body: <p>I am using <a href="https://developers.google.com/analytics/devguides/collection/analyticsjs/enhanced-ecommerce" rel="nofollow noreferrer">https://developers.google.com/analytics/devguides/collection/analyticsjs/enhanced-ecommerce</a></p>
  
  <p>to add enhanced analytics tracking to my application . When I am trying to add impression I got following error in the console in analytics console</p>
  
  <p><strong>VM17923 analytics_debug.js:10 Command ignored. Plugin "ec" has already been required on tracker "t0".</strong></p>
  
  <p>Can anyone help please ! I am using ga('require', 'ec') to register this plugin and when i removed it it tells me plugin not registered .
  I also tried giving name to the trackor but not worked well </p>