Error when posting notes

[TimPSNC]

Script URL:
Version of script: 2.5.1
Hosting company:
URL of phpinfo.php:
URL of session_test.php:
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Hi

I recently transferred my Hesk to a new hosting account, and changed the domain it is hosted on. Since then, when I enter a note it shows the following error message. When you go back the note has been saved, however it doesn't show the confirmation message. It happens most of the time, however sometimes it works as expected.

Is there something I need to update in Hesk or is this a problem with the hosting company?

Thanks for your help

Tim

Notice: Undefined index: dt in /websites/123reg/LinuxPackage22/as/kp/sn/*domainname*/public_html/askpsnc/inc/email_functions.inc.php on line 576

Notice: Undefined index: lastchange in /websites/123reg/LinuxPackage22/as/kp/sn/*domainname*/public_html/askpsnc/inc/email_functions.inc.php on line 577

Warning: Cannot modify header information - headers already sent by (output started at /websites/123reg/LinuxPackage22/as/kp/sn/*domainname*/public_html/askpsnc/inc/email_functions.inc.php:576) in /websites/123reg/LinuxPackage22/as/kp/sn/*domainname*/public_html/askpsnc/admin/admin_ticket.php on line 289

[Klemen]

Do you get the same error when you turn Debug mode off in HESK settings?

[TimPSNC]

If I turn it off I get an Invalid request error

Tim

[Klemen]

Turning debug mode OFF should have nothing to do with Invalid requests - are you manually modifying the settings file or through the admin panel?

If manually make 101% sure it is saved as UTF-8 *without* BOM and that none of your other files have byte order mark (if you modified any).