What do you mean by blocked? I think we need more details. Can you just reset your password? I would recommend contacting support if you've lost access to your account for some reason that can't be solved with a password reset.
It could be a video formatting thing. Perhaps your phone doesn't like the video format or maybe it hasn't had time to download completely before saving to your phone. Here's a link to a related topic: https://community.airtable.com/t5/other-questions...
In your Events table, create a field called Maybe Going with the Link to Another Record field type. Link that field to your User table. Then you will be able to select who might be going to your event. In your User table, created a field called Maybe...
You could use Zapier to trigger when a file is received which can be done via receiving an email or a file added to Dropbox/GoogleDrive/OneDrive that then runs a script to split out the data. Zapier can then send that data to Airtable.
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