SendGrid\Response Object
(
    [_status_code] => 401
    [_body] => {"errors":[{"message":"Maximum credits exceeded","field":null,"help":null}]}
    [_headers] => HTTP/1.1 401 Unauthorized
Date: Tue, 29 Sep 2026 18:58:30 GMT
Content-Type: application/json
Content-Length: 76
Connection: keep-alive
Access-Control-Allow-Headers: Authorization, Content-Type, On-behalf-of, x-sg-elas-acl
Access-Control-Allow-Methods: POST
Access-Control-Allow-Origin: https://sendgrid.api-docs.io
Access-Control-Max-Age: 600
Cache-Control: no-cache
Content-Security-Policy: frame-ancestors 'none'
Referrer-Policy: strict-origin-when-cross-origin
Strict-Transport-Security: max-age=31536000; includeSubDomains
X-Content-Type-Options: nosniff
X-No-Cors-Reason: https://sendgrid.com/docs/Classroom/Basics/API/cors.html


)
<script type="text/javascript"> window.open("https://ots.lbf.in/SuperAdmin/view-school.php","_self"); </script>