How to fix the «Uncaught TypeError: Cannot read property 'addErrorMessage' of undefined» Braintree bug in Magento 2.0.x?

[dmitrii_fediuk]

Issue: Braintree Payment's error only with Litespeed & not Apache

Issue: Payment settings disappears on deploy routine [braintree, paypal]

[dmitrii_fediuk]

1.

Locate the line:

magento/magento2/blob/2.0.2/app/code/Magento/Braintree/view/frontend/web/js/view/payment/method-renderer/cc-form.js#L159-L159

Replace it with the following one:

(this.messageContainer || messageList).addErrorMessage({

2.

Locate the line:

magento/magento2/blob/2.0.2/app/code/Magento/Braintree/view/frontend/web/js/view/payment/method-renderer/cc-form.js#L261-L261

Replace it with the following one:

(this.messageContainer || messageList).addErrorMessage(error);

3.

Locate the line:

magento/magento2/blob/2.0.2/app/code/Magento/Braintree/view/frontend/web/js/view/payment/method-renderer/cc-form.js#L263-L263

Replace it with the following one:

(this.messageContainer || messageList).addErrorMessage({