How do I fix this error ".creditactivity has no default constructor" in android studio?

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Java

Android

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.gruebeltech.soundloaderpro">

<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@drawable/ic_launcher"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".CreditActivity"> <-----------------

<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />




</manifest
How do I fix this error ".CreditActivity has no default constructor" in android studio? I have oreo sdk.

What I have tried:

Everything.

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.gruebeltech.soundloaderpro">

<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@drawable/ic_launcher"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".CreditActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />