5.3.2, unser Freund, der unknown tag "s"

Nachtrag:

paypal plus deaktiviert und ganz verbannt, seit dem scheint Ruhe zu sein.

Schon 4 h nix an Fehlern mehr.

Zu früh gefreut

[Sun Sep 10 22:29:39.799525 2017] [:error] [pid 12465] [client 79.227.187.172:59184] FastCGI: server "/var/www/clients/client18/web32/cgi-bin/php5-fcgi-*-443-xxx.de" stderr: PHP message: PHP Fatal error: Uncaught exception 'SmartyCompilerException' with message 'Syntax Error in template "/var/www/clients/client18/web32/web/themes/Frontend/Bare/frontend/index/index.tpl" on line 7 "<html class="no-js" lang="{s name='IndexXmlLang'}{/s}" itemscope="itemscope" itemtype="http://schema.org/WebPage">" unknown tag "s"' in /var/www/clients/client18/web32/web/engine/Library/Smarty/sysplugins/smarty_internal_templatecompilerbase.php:657, referer: https://xxx.de/checkout/xxx
[Sun Sep 10 22:29:39.799550 2017] [:error] [pid 12465] [client 79.227.187.172:59184] FastCGI: server "/var/www/clients/client18/web32/cgi-bin/php5-fcgi-*-443-xxx.de" stderr: Stack trace:, referer: https://xxx.de/checkout/xxx
[Sun Sep 10 22:29:39.799552 2017] [:error] [pid 12465] [client 79.227.187.172:59184] FastCGI: server "/var/www/clients/client18/web32/cgi-bin/php5-fcgi-*-443-xxx.de" stderr: #0 /var/www/clients/client18/web32/web/engine/Library/Smarty/sysplugins/smarty_internal_templatecompilerbase.php(443): Smarty_Internal_TemplateCompilerBase->trigger_template_error('unknown tag "s"', 7), referer: https://xxx.de/checkout/xxx
[Sun Sep 10 22:29:39.799562 2017] [:error] [pid 12465] [client 79.227.187.172:59184] FastCGI: server "/var/www/clients/client18/web32/cgi-bin/php5-fcgi-*-443-xxx.de" stderr: #1 /var/www/clients/client18/web32/web/engine/Library/Smarty/sysplugins/smarty_internal_templateparser.php(2388): Smarty_Internal_TemplateCompilerBase->compileTag('s', Array), referer: https://xxx.de/checkout/xxx
[Sun Sep 10 22:29:39.799564 2017] [:error] [pid 12465] [client 79.227.187.172:59184] FastCGI: server "/var/www/clients/client18/web32/cgi-bin/php5-fcgi-*-443-xxx.de" stderr: #2 /var/www/clients/client18/web32/web/engine/Library..., referer: https://xxx.de/checkout/xxx