Each time the plugin is deactivated, the license if removed ( so you can install it on another site).
If the plugin was deactivated without going through the deactivate menu on the plugins screen (such as renaming the directory or deleting the directory),
then plugin also can go out of sync.
Navigate to WooCommerce->settings->payments and select Quote Request
Select Quote Request:
Checkout the video to see how to setup a cart widget for the quote requests.
Depending on your caching plugin you need to exclude dynamic pages and sometimes exclude cookies from cache. The pages to exclude are the quote request, product category (archive), shop and the product page. The most common problem caused by page caching is that items which are added to the quote cart cannot be found afterwards.
WP Rocket:
/wp-admin/options-general.php?page=wprocket#advanced_cache
Never Cache URL(s)
/quote-request/(.*)
/product-category/(.*)
/shop/(.*)
/product/(.*)
Never Cache Cookies
rfqtk_wp_session_
WP Optimize: 
If are using Pantheon:
You could also change the session method to PHP Sessions as an alternative method. 
The NP Quote Request WooCommerce Plus is an extension that you install in addition to the free version to provides a lot more options and features.
After purchasing and downloading the Plus file (RFQTK.zip) to your computer , you can install by:
1: Navigate to the plugins page in your admin area.
2: Click add new on the top of page.
3: Click on upload plugin
4: Click on choose file
5: Browse to where you stored rfqtk.zip and select the rfqtk.zip. click open.
6. Click install now and then activate.
7: after activating the plugin you will see a notification
Click on the “Click Here” and the license key and the email you used to purchase.
