ΣΕ ευχαριστώ για την απάντηση το έστεισα πάλι copy και δοκίμασα απενεροποίησα όλλα τα module αλλα πάλι τα ίδια σε PHP 7 όλλα ειναι εντάξει
https://mydomain.eu/demo1/el/%CF%80%CE%B1%CF%81%CE%B1%CE%B3%CE%B3%CE%B5%CE%BB%CE%AF%CE%B1
[Tue May 14 13:30:07.663736 2019] [fcgid:warn] [pid 2736] [client ipaddress:60504] mod_fcgid: stderr: Stack trace:, referer: https://mydomain.eu/demo1/el/%CF%80%CE%B1%CF%81%CE%B1%CE%B3%CE%B3%CE%B5%CE%BB%CE%AF%CE%B1
[Tue May 14 13:30:07.663740 2019] [fcgid:warn] [pid 2736] [client ipaddress:60504] mod_fcgid: stderr: #0 /var/www/clients/client1/web3/web/demo1/classes/Mail.php(317): MailCore::toPunycode('westweb.gr@gmai...'), referer: https://mydomain.eu/demo1/el/%CF%80%CE%B1%CF%81%CE%B1%CE%B3%CE%B3%CE%B5%CE%BB%CE%AF%CE%B1
[Tue May 14 13:30:07.663752 2019] [fcgid:warn] [pid 2736] [client ipaddress:60504] mod_fcgid: stderr: #1 /var/www/clients/client1/web3/web/demo1/classes/order/OrderHistory.php(546): MailCore::send(1, 'bankwire', '\\xCE\\x91\\xCE\\xBD\\xCE\\xB1\\xCE\\xBC\\xCE\\xBF\\xCE\\xBD\\xCE\\xAE ...', Array, 'westweb.gr@gmai...', 'Test name...', 'mail@mail...', 'shop Fashion...', NULL, NULL, '/var/www/client...', false, 1), referer: https://mydomain.eu/demo1/el/%CF%80%CE%B1%CF%81%CE%B1%CE%B3%CE%B3%CE%B5%CE%BB%CE%AF%CE%B1
[Tue May 14 13:30:07.663756 2019] [fcgid:warn] [pid 2736] [client ipaddress:60504] mod_fcgid: stderr: #2 /var/www/clients/client1/web3/web/demo1/classes/order/OrderHistory.php(468): OrderHistoryCore->sendEmail(Object(Order), Array), referer: https://mydomain.eu/demo1/el/%CF%80%CE%B1%CF%81%CE%B1%CE%B3%CE%B3%CE%B5%CE%BB%CE%AF%CE%B1
[Tue May 14 13:30:07.663758 2019] [fcgid:warn] [pid 2736] [client ipaddress:60504] mod_fcgid: stderr: #3 /var/www/clients/client1/web3/web/demo1/classes/PaymentModule.php(747): OrderHistoryCore->addWithemail(true, Array), referer: https://mydomain.eu/demo1/el/%CF%80%CE%B1%CF%81%CE%B1%CE%B3%CE%B3%CE%B5%CE%BB%CE%AF%CE%B1
[Tue May 14 13:30:07.663761 2019] [fcgid:warn] [pid 2736] [client ipaddress:60504] mod_fcgid: stderr: #4 /var/www/clients/client1/web3/web/demo1/modules/ps_wirepayment/controllers/front/validation.php(64): PaymentModuleCore->validateOrder(103, '10', 26.5, '\\xCE\\xA0\\xCE\\xBB\\xCE\\xB7\\xCF\\x81\\xCF\\x89\\xCE\\xBC\\xCE\\xAE ...', in /var/www/clients/client1/web3/web/demo1/classes/Mail.php on line 893, referer: https://mydomain.eu/demo1/el/%CF%80%CE%B1%CF%81%CE%B1%CE%B3%CE%B3%CE%B5%CE%BB%CE%AF%CE%B1
Ακόμα δεν έχω βγάλει άκρη.
Η PHP 7.1 εχει εγκατασταθει ως additional version και δεν ξέρω κατά ποσο μπορεί να φταίει αυτό