Bundle product price change issue on _onBundleOptionChanged

I am stuck on bundle product after select option product in bundle price is not updated. As I see on console the message has show below in price-bundle.js

 message: "_onBundleOptionChanged is not defined"     stack: "ReferenceError: _onBundleOptionChanged is not defined↵    at eval (eval at onBundleOptionChanged (http://procured.in/pub/static/frontend/Magento/Decure/en_US/Magento_Bundle/js/price-bundle.js:78:32), <anonymous>:1:1)↵    at $  .<computed>.<computed>.onBundleOptionChanged