Die Fehlermeldung in den Log-Dateien zeigt nachfolgendes an (musste aufgrund der Längenbeschränkung etwas gekürzt werden). Ein Dump von $sArticle habe ich auch erstellt, aber konnte das Attribut „test“ darin nicht finden 
[2019-09-08 13:03:12] core.CRITICAL: Syntax Error in template „/var/www/clients/client1/web4/web/themes/Frontend/Responsive/frontend/detail/buy.tpl“ on line 3 „{foreach $sArticles as $sArticle.test}“ - Unexpected „.“, expected one of: „}“ , " " , ATTR {„uid“:„6a9db93“}
[2019-09-08 13:03:12] core.CRITICAL: Syntax Error in template „/var/www/clients/client1/web4/web/themes/Frontend/Responsive/frontend/detail/buy.tpl“ on line 3 „{foreach $sArticles as $sArticle.test}“ - Unexpected „.“, expected one of: „}“ , " " , ATTR {„uid“:„6a9db93“}
[2019-09-08 13:03:12] core.ERROR: SmartyCompilerException: Syntax Error in template „/var/www/clients/client1/web4/web/themes/Frontend/Responsive/frontend/detail/buy.tpl“ on line 3 „{foreach $sArticles as $sArticle.test}“ - Unexpected „.“, expected one of: „}“ , " " , ATTR in /var/www/clients/client1/web4/web/engine/Library/Smarty/sysplugins/smarty_internal_templatecompilerbase.php:657 Stack trace: #0 /var/www/clients/client1/web4/web/engine/Library/Smarty/sysplugins/smarty_internal_templateparser.php(3144): Smarty_Internal_TemplateCompilerBase->trigger_template_error() #1 /var/www/clients/client1/web4/web/engine/Library/Smarty/sysplugins/smarty_internal_templateparser.php(3209): Smarty_Internal_Templateparser->yy_syntax_error(59, ‚.‘) #2 /var/www/clients/client1/web4/web/engine/Library/Smarty/sysplugins/smarty_internal_smartytemplatecompiler.php(105): Smarty_Internal_Templateparser->doParse(59, ‚.‘) #3 /var/www/clients/client1/web4/web/engine/Library/Smarty/sysplugins/smarty_internal_templatecompilerbase.php(192): Smarty_Internal_SmartyTemplateCompiler->doCompile(’\n%%%%SMARTY_PAR…’) #4 /var/www/clients/client1/web4/web/engine/Library/Smarty/sysplugins/smarty_internal_compile_block.php(191): Smarty_Internal_TemplateCompilerBase->compileTemplate(Object(Smarty_Internal_Template)) #5
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