"422 Unprocessable Content" error when sending the email about Abstract by role

In Abstract list I select the abstract and then “Send Email”, fill-in the necessary fields and once hit “Send” there is an error “422 Unprocessable Content” …endpoint /event/1/manage/abstracts/api/email-roles/send

Error message:
{"webargs_errors":{"sender_address":["Missing data for required field."]}}

The payload instead is sending not the expected value ‘sender_address’ but ‘from_address’

{
    "from_address": "senderemailhere@email.com",
    "subject": "test",
    "body": "<p>Gentile {first_name},</p>\n<p>test<br><br><br>Cordiali saluti<br>Katerina S</p>",
    "bcc_addresses": [],
    "copy_for_sender": true,
    "recipient_roles": [
        "author"
    ],
    "abstract_id": [
        11
    ]
}

The Indico version is v3.3.5

How this can be fixed to be able to send emails?

3.3.5 is not the latest version so please update.

But in any case, this error happens when you’re running the v3.3.5 (or earlier) client-side assets, with the v3.3.6 (or master) server-side code.

PS: Are you the same person as in this issue?

Oh, I see my collegue submitted the ticket directly in github. Yes, we are referencing to the same issue. We will review the response you provided and get back in case of need. Thank you for the prompt response.