Trying to get the token.... 
Connecting to the mail box... 
array(7) {
  ["error"]=>
  string(13) "invalid_grant"
  ["error_description"]=>
  string(196) "AADSTS9002313: Invalid request. Request is malformed or invalid. Trace ID: 1e79da73-d09a-4302-af52-0a351c5b0b00 Correlation ID: cd8fd943-48b0-4c8e-bed4-08b4fa872a31 Timestamp: 2026-01-27 08:19:01Z"
  ["error_codes"]=>
  array(1) {
    [0]=>
    int(9002313)
  }
  ["timestamp"]=>
  string(20) "2026-01-27 08:19:01Z"
  ["trace_id"]=>
  string(36) "1e79da73-d09a-4302-af52-0a351c5b0b00"
  ["correlation_id"]=>
  string(36) "cd8fd943-48b0-4c8e-bed4-08b4fa872a31"
  ["error_uri"]=>
  string(52) "https://login.microsoftonline.com/error?code=9002313"
}
<br />
<b>Notice</b>:  Undefined index: access_token in <b>/var/www/html/oauth/test_refresh.php</b> on line <b>71</b><br />
NULL
bool(true)
<br />dopo open<br />
<b>Fatal error</b>:  Uncaught exception 'RuntimeException' with message 'Unable to open the INBOX' in /var/www/html/oauth/test_refresh.php:84
Stack trace:
#0 {main}
  thrown in <b>/var/www/html/oauth/test_refresh.php</b> on line <b>84</b><br />