Salient 8.5.4 is Now Compatible with Woocommerce 3.3.1 . Kindly update the Theme if you have updated Woocommerce . 

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Adding your Google Map API Key

In order to use Google maps you need to generate an API key - please see the official documentation for more information.

Once you have the API Key you need to add in to Salient Theme Options Panel -> General Settings -> CSS/Script Related  -> Google Maps API Key field