If the file is missing but you still have the chat, try re-downloading it from the original WhatsApp conversation from June 2019.
Open your File Manager app and navigate to: Internal Storage > WhatsApp > Media > WhatsApp Video VID-20190603-WA0039
If you are looking for a guide on how to handle this file, here are the most common solutions: If the file is missing but you still
Long-press the video in your gallery and select the Share icon to send it via email, Drive, or another messaging app. You may need to use a data recovery
This happens if the video was moved or deleted from your phone's storage. You may need to use a data recovery tool or check your cloud backups.
WhatsApp videos are usually saved directly to your Photos app if "Save to Camera Roll" was turned on in 2019.