Undefined index: SERVER_NAME

  • I am getting this error repeatedly.
    [03-May-2022 11:37:11 UTC] PHP Notice: Undefined index: SERVER_NAME in C:\Inetpub\vhosts\mysite.com\httpdocs\wp-content\plugins\vfb-pro\public\class-email.php on line 629

    Any suggestions how to fix this?

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