'Gmail Error Action: failed Final-Recipient: Status: 5.0.0 Remote-MTA: dns; gmail-smtp-in.l.google.com Messages missing a valid address in From: header

I am getting this error attempting to send emails to gmail. Any thoughts on what it means or how i can fix?

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  *************@gmail.com
    host gmail-smtp-in.l.google.com [142.250.102.26]
    SMTP error from remote mail server after end of data:
    550-5.7.1 [162.0.222.233] Messages missing a valid address in From:
    header, or
    550 5.7.1 having no From: header, are not accepted. g10-20020a1709065d0a00b006f3a8137351si4236550ejt.181 - gsmtp
Reporting-MTA: dns; server1.topnotchscholars.com

Action: failed
Final-Recipient: rfc822;*************@gmail.com
Status: 5.0.0
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.1 [162.0.222.233] Messages missing a valid address in From: header, or
 550 5.7.1 having no From: header, are not accepted. g10-20020a1709065d0a00b006f3a8137351si4236550ejt.181 - gsmtp
phpemailgmailsendmail


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