Does anybody know why I can not compile this C2 in the c3 exporter?

here is the log:

Error: Checking Java JDK and Android SDK versions

ANDROID_SDK_ROOT=~~/androidSDK (recommended setting)

ANDROID_HOME=~~/androidSDK (DEPRECATED)

Using Android SDK: ~~/androidSDK

:wrapper

BUILD SUCCESSFUL in 0s

1 actionable task: 1 executed

Subproject Path: CordovaLib

Subproject Path: app

Task :app:preBuild UP-TO-DATE

Task :app:preReleaseBuild UP-TO-DATE

Task :CordovaLib:preBuild UP-TO-DATE

Task :CordovaLib:preReleaseBuild UP-TO-DATE

Task :CordovaLib:compileReleaseAidl NO-SOURCE

Task :app:compileReleaseAidl NO-SOURCE

Task :CordovaLib:packageReleaseRenderscript NO-SOURCE

Task :app:generateReleaseBuildConfig

Task :app:compileReleaseRenderscript NO-SOURCE

Task :app:javaPreCompileRelease

Task :app:generateReleaseResValues

Task :app:generateReleaseResources

Task :CordovaLib:compileReleaseRenderscript

Task :CordovaLib:generateReleaseResValues

Task :CordovaLib:generateReleaseResources

Task :CordovaLib:packageReleaseResources

Task :app:createReleaseCompatibleScreenManifests

Task :app:extractDeepLinksRelease

Task :CordovaLib:extractDeepLinksRelease

Task :CordovaLib:processReleaseManifest

Task :app:processReleaseManifest FAILED

See http:/~~/manifest-merger for more information about the manifest merger.

Task :app:mergeReleaseResources

12 actionable tasks: 12 executed

~~/AndroidManifest.xml Error:

uses-sdk:minSdkVersion 21 cannot be smaller than version 22 declared in library [:CordovaLib] ~~/AndroidManifest.xml as the library might be using APIs not available in 21

Suggestion: use a compatible library with a minSdk of at most 21,

or increase this project's minSdk version to at least 22,

or use tools:overrideLibrary="org.apache.cordova" to force usage (may lead to runtime failures)

FAILURE: Build failed with an exception.

* What went wrong:

Execution failed for task ':app:processReleaseManifest'.

Manifest merger failed : uses-sdk:minSdkVersion 21 cannot be smaller than version 22 declared in library [:CordovaLib] ~~/AndroidManifest.xml as the library might be using APIs not available in 21

Suggestion: use a compatible library with a minSdk of at most 21,

or increase this project's minSdk version to at least 22,

or use tools:overrideLibrary="org.apache.cordova" to force usage (may lead to runtime failures)

* Try:

Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https:/~~/help.gradle.org

BUILD FAILED in 7s

Command failed with exit code 1: ~~/gradlew cdvBuildRelease -b ~~/build.gradle

thanks in advance