Ive got the same problem. When Toolset Maps is actived, it cause some jquery conflict in front and back of WP.
In back-office, here the error :
At line 7 from wpv_addon_maps.js
self.api = google.maps;
Log in console
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Uncaught ReferenceError: google is not defined
at new WPViews.ViewAddonMaps (wpv_addon_maps.js?ver=1.4.2:7)
at HTMLDocument.<anonymous> (wpv_addon_maps.js?ver=1.4.2:938)
at i (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-resizable,jquery-ui-draggable,jquery-ui-but&load[]=ton,jquery-ui-position,jquery-ui-dialog,utils,wp-pointer,underscore,backbone,moxiejs,plupload&ver=4.9.6:2)
at Object.fireWith [as resolveWith] (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-resizable,jquery-ui-draggable,jquery-ui-but&load[]=ton,jquery-ui-position,jquery-ui-dialog,utils,wp-pointer,underscore,backbone,moxiejs,plupload&ver=4.9.6:2)
at Function.ready (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-resizable,jquery-ui-draggable,jquery-ui-but&load[]=ton,jquery-ui-position,jquery-ui-dialog,utils,wp-pointer,underscore,backbone,moxiejs,plupload&ver=4.9.6:2)
at HTMLDocument.K (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-resizable,jquery-ui-draggable,jquery-ui-but&load[]=ton,jquery-ui-position,jquery-ui-dialog,utils,wp-pointer,underscore,backbone,moxiejs,plupload&ver=4.9.6:2)