Element net.margaritov.preference.colorpicker.ColorPickerPreference is not allowed here, and many errors

[ronenfe]

  <PreferenceCategory app:singleLineTitle="false" app:title="SPEED CONTROL SETTINGS">
        <net.margaritov.preference.colorpicker.ColorPickerPreference
        app:key="day_speed_color_picker"
            app:summary="Choose your color"
            app:title="Dial color for day theme"
            app:defaultValue="#FF9999"
            alphaSlider="true"
        />

    </PreferenceCategory>

:app:checkDebugAarMetadata :app:mapDebugSourceSetPaths :app:mergeDebugResources :app:parseDebugLocalResources org.gradle.api.internal.artifacts.ivyservice.TypedResolveException: Could not resolve all files for configuration ':app:debugRuntimeClasspath'. org.gradle.internal.resolve.ModuleVersionNotFoundException: Could not find net.margaritov.preference.colorpicker.ColorPickerPreference:ColorPickerPreference:1.0.0. org.gradle.api.internal.artifacts.ivyservice.TypedResolveException: Could not resolve all files for configuration ':app:debugRuntimeClasspath'. org.gradle.internal.resolve.ModuleVersionNotFoundException: Could not find net.margaritov.preference.colorpicker.ColorPickerPreference:ColorPickerPreference:1.0.0. org.gradle.api.internal.artifacts.ivyservice.TypedResolveException: Could not resolve all files for configuration ':app:debugRuntimeClasspath'. org.gradle.internal.resolve.ModuleVersionNotFoundException: Could not find net.margaritov.preference.colorpicker.ColorPickerPreference:ColorPickerPreference:1.0.0. org.gradle.api.internal.artifacts.ivyservice.TypedResolveException: Could not resolve all files for configuration ':app:debugRuntimeClasspath'. org.gradle.internal.resolve.ModuleVersionNotFoundException: Could not find net.margaritov.preference.colorpicker.ColorPickerPreference:ColorPickerPreference:1.0.0. org.gradle.api.internal.artifacts.ivyservice.TypedResolveException: Could not resolve all files for configuration ':app:debugRuntimeClasspath'. org.gradle.internal.resolve.ModuleVersionNotFoundException: Could not find net.margaritov.preference.colorpicker.ColorPickerPreference:ColorPickerPreference:1.0.0. org.gradle.api.internal.artifacts.ivyservice.TypedResolveException: Could not resolve all files for configuration ':app:debugRuntimeClasspath'. org.gradle.internal.resolve.ModuleVersionNotFoundException: Could not find net.margaritov.preference.colorpicker.ColorPickerPreference:ColorPickerPreference:1.0.0. org.gradle.api.internal.artifacts.ivyservice.TypedResolveException: Could not resolve all files for configuration ':app:debugRuntimeClasspath'. org.gradle.internal.resolve.ModuleVersionNotFoundException: Could not find net.margaritov.preference.colorpicker.ColorPickerPreference:ColorPickerPreference:1.0.0. org.gradle.api.internal.artifacts.ivyservice.TypedResolveException: Could not resolve all files for configuration ':app:debugRuntimeClasspath'. org.gradle.internal.resolve.ModuleVersionNotFoundException: Could not find net.margaritov.preference.colorpicker.ColorPickerPreference:ColorPickerPreference:1.0.0. :app:processDebugMainManifest :app:mergeDebugAssets :app:desugarDebugFileDependencies :app:checkDebugDuplicateClasses