Unfortunately, I have to report another error

.
Backup creation failed and did not stop trying all the time. If it already fails it should abort after 3 failed attempts. Proxy supportNGINX was deactivated. When I enabled it the backup creation worked.
-- WEB --
2021-12-26 00:30:01 excluding domain
2021-12-26 00:30:01 domain
grep: /usr/local/vesta/data/templates/web/nginx/.stpl: File or directory not found
wc: /usr/local/vesta/data/templates/web/nginx/.stpl: File or directory not found
Error: can't parse template /usr/local/vesta/data/templates/web/nginx/.stpl
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Error log of /usr/local/vesta/log/nginx-error.log
There is also something in it what has nothing to do with the backup:
2021/12/18 00:38:40 [Error] 40010 # 0: * 1 open () "/ usr / local / vesta / web / private" Failed (2: No Search File or Directory), Client: IP , Server: _, Request: "Get / Private HTTP / 1.1", Host: "Hostdomain: 8083"
2021/12/18 00:39:17 [Error] 40010 # 0: * 1 FastCgi Sent in STDERR: "PHP Message: PHP Notice: undefined Index: http_origin in /usr/local/vesta/web/inc/secure_login.php On Line 94 "While Reading Response Header From Upstream, Client: IP, Server: _, Request:" Post / Login / Http / 1.1 ", Upstream:" FastCgi: // unix: /var/run/vesta-php.sock : "Host:" Hostdomain: 8083 ", Referrer:" Https: // Hostdomain: 8083 / Login / "
And even more PHP Notice.