4.3 - 2 Problems with Mail Template and Imap Error

Maian Support 4.3

Thanks for the nice Ticketssystem, So far I use the 4.2 version as free version and yesterday I bought the 4.3
I have 2 problems which I did not have with version 4.2

First Problem:

When Customer replies to a ticket I get this message by mail

An error occurred opening the "/var/www/vhosts/my-website.de/httpdocs/my-website.de/_help-desk/content/language/german/mail-templates//var/www/vhosts/my-website.de/httpdocs/my-website.de/_help-desk/content/language/german/mail-templates/ticket-reply.txt" file. Check that this file exists in the correct "content/language/*/mail-templates/" folder.

The File ticket-reply.txt under "content/language/german/mail-templates/ticket-reply.txt" exists. When set to english the same error occurs.

In The Log File:

CLIENT -> SERVER:   An error occurred opening the "/var/www/vhosts/my-website.de/httpdocs/my-website.de/_help-desk/content/language/german/mail-templates//var/www/vhosts/my-website.de/httpdocs/my-website.de/_help-desk/content/language/german/mail-templates/ticket-reply.txt" file. Check that this file exists in the correct "content/language/*/mail-templates/" folder.
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Second Problem:

[Error Code: 8] Undefined variable: email
[Date/Time: 14 March 2020 @ 09:45AM]
[Error on line 153 in file /var/www/vhosts/my-website.de/httpdocs/my-website.de/_help-desk/control/system/imap.php]
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Popup when i Testing for New Mail in Tickets via Email Settings:

[img=FluxBB bbcode test]https://gfx.bull-media.de/public/Screenshot_2020-03-14.png[/img]

I can send and receive Mails via Cronjob