Plugin not compiling on Android

[Polm90]

Tried plugin with cordova-android 7.1.0 and cordova 8.0.0.

Getting this error at compile time:

\platforms\android\app\src\main\java\com\disusered\Safe.java:26: error: package com.facebook.android.crypto.keychain does not exist
import com.facebook.android.crypto.keychain.SharedPrefsBackedKeyChain;
^
\platforms\android\app\src\main\java\com\disusered\Safe.java:120: error: cannot find symbol
CRYPTO = new Crypto(new SharedPrefsBackedKeyChain(CONTEXT), new SystemNativeCryptoLibrary());
^
symbol: class SharedPrefsBackedKeyChain
location: class Safe
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
2 errors

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ':app:compileDebugJavaWithJavac'.

Compilation failed; see the compiler error output for details.

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

• Get more help at https://help.gradle.org

BUILD FAILED in 53s
(node:17028) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with
a non-zero exit code.