[ionic4+capacitor] AdMob Plus plugin lambda expressions error

Ionic Framework ionic-v3
1

Hellow i get this error when i want install by app on device

error: lambda expressions are not supported in -source 1.7
(use -source 8 or higher to enable lambda expressions)

I use Ionic4 with capacitor. I installed Admob Plud Cordova plugin

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2

Same problem for two days now, not managed to fix the problem yet.

3

Could you share the code that causes this error? Then I can have a look at the admob Java code.

4

I deside to not use the Capacitor: too many problems and insufficient assistance. I thinkt to passe to NativeScript. I see that with Ionic v4 the documentation has very low level