cordova-plugin-googlemaps: Map does not load on Android: Cannot read property 'insertAdjacentHTML' of null

I’m submitting a … (check one with “x”)

• question
• any problem or bug report

OS: (check one with “x”)

• Android
• iOS
• Browser

cordova information: (run $> cordova plugin list)

cordova-plugin-device 2.0.2 "Device"
cordova-plugin-geolocation 4.0.1 "Geolocation"
cordova-plugin-googlemaps 2.4.6 "cordova-plugin-googlemaps"
cordova-plugin-ionic-keyboard 2.1.3 "cordova-plugin-ionic-keyboard"
cordova-plugin-ionic-webview 2.1.4 "cordova-plugin-ionic-webview"
cordova-plugin-splashscreen 5.0.2 "Splashscreen"
cordova-plugin-statusbar 2.4.2 "StatusBar"
cordova-plugin-whitelist 1.3.3 "Whitelist"

If you use @ionic-native/google-maps, please tell the package.json (only @ionic-native/core and @ionic-native/google-maps are fine mostly)

@ionic-native/core : 4.15.0
@ionic-native/google-maps : 4.14.0 

Current behavior:

map does not load

Expected behavior:

map should load

Related code, data or error log (please format your code or data):

Plugin fails on this line (https://github.com/mapsplugin/cordova-plugin-googlemaps/commit/bfb18137d08f050232854a162b6144e3eac2fd5e):

  document.body.insertAdjacentHTML('afterbegin', envTestDiv);

TypeError: Cannot read property ‘insertAdjacentHTML’ of null