Exception 'open failed: EACCES (Permission denied)' on Android

[Oguntoye]

Kindly help with this.. This message keeps coming even after granting all the right permission.

This is my manifest file

<application
  android:requestLegacyExternalStorage="true"
  android:name=".MainApplication"
  android:label="@string/app_name"
  android:icon="@mipmap/ic_launcher"
  android:roundIcon="@mipmap/ic_launcher_round"
  android:allowBackup="false"
  tools:replace="android:theme"
  android:theme="@style/AppTheme">
  <activity
    android:name=".MainActivity"
    android:label="@string/app_name"
    android:configChanges="keyboard|keyboardHidden|orientation|screenSize"
    android:windowSoftInputMode="adjustPan">
    <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
    </intent-filter>
  </activity>

  <activity android:name="com.facebook.react.devsupport.DevSettingsActivity" />

  <activity
      android:name="cn.finalteam.rxgalleryfinal.ui.activity.MediaActivity"
      android:exported="true"
      android:theme="@style/Theme_Light.Default" />

</application>