[24-Jan-2022 13:13:25 UTC] PHP Fatal error:  Uncaught exception 'SendGrid\Mail\TypeException' with message '"$email" must be an instance of SendGrid\Mail\From or a valid email address' in /home/saqib/public_html/sendgrid/vendor/sendgrid/sendgrid/lib/helper/Assert.php:61
Stack trace:
#0 /home/saqib/public_html/sendgrid/vendor/sendgrid/sendgrid/lib/mail/Mail.php(943): SendGrid\Helper\Assert::email('YOUR-FROM-EMAIL', 'email', '"$email" must b...')
#1 /home/saqib/public_html/sendgrid/send_first_email.php(12): SendGrid\Mail\Mail->setFrom('YOUR-FROM-EMAIL', 'YOUR-FROM-NAME')
#2 {main}
  thrown in /home/saqib/public_html/sendgrid/vendor/sendgrid/sendgrid/lib/helper/Assert.php on line 61
[25-Jan-2022 06:41:00 UTC] PHP Fatal error:  Uncaught exception 'SendGrid\Mail\TypeException' with message '"$email" must be an instance of SendGrid\Mail\From or a valid email address' in /home/saqib/public_html/sendgrid/vendor/sendgrid/sendgrid/lib/helper/Assert.php:61
Stack trace:
#0 /home/saqib/public_html/sendgrid/vendor/sendgrid/sendgrid/lib/mail/Mail.php(943): SendGrid\Helper\Assert::email('YOUR-FROM-EMAIL', 'email', '"$email" must b...')
#1 /home/saqib/public_html/sendgrid/send_first_email.php(12): SendGrid\Mail\Mail->setFrom('YOUR-FROM-EMAIL', 'YOUR-FROM-NAME')
#2 {main}
  thrown in /home/saqib/public_html/sendgrid/vendor/sendgrid/sendgrid/lib/helper/Assert.php on line 61
