Unity Android file path rejected

Test device: android 11 (API 30)

Unity platform package setting target api: android 10 (api 29)

Please add the following permissions in AndroidMainfest.xml:

 <!-- External storage write permission, which is required to build syntax -->
 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<!-- External storage read permission, which is required to build syntax This permission -->
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE"/>

<application android:requestLegacyExternalStorage="true">

reference: