Email notifcation not send error facing ojs 3.3 version

I am facing a problem when send email form ojs 3.3

i am check in error log file it will this error
[25-Aug-2021 05:22:19 UTC] PHP Warning: array_values() expects parameter 1 to be array, string given in /home/thesvi/public_html/ojs/lib/pkp/classes/components/forms/FormComponent.inc.php on line 272
[25-Aug-2021 05:33:03 UTC] Could not instantiate mail function.
[25-Aug-2021 05:42:28 UTC] Could not instantiate mail function.
[25-Aug-2021 06:20:31 UTC] Could not instantiate mail function.
[25-Aug-2021 06:20:55 UTC] Could not instantiate mail function.

can you please assist me if any one know this problem
We have recently migrated our webserver
after that email function is not working

Hi @mujtaba9312,

Could you please indicate your specific OJS version (e.g. 3.3.0-7)? This may help in troubleshooting this issue.

-Roger
PKP Team

Ojs version is OJS 3.3.0.3.

Hi @mujtaba9312,

Thank you for providing this additional information. I’ll see if one of our team members can assist when they are available.

-Roger
PKP Team