Ой, ошибочка вышла

Файл: /home/markusby/web/markus.by/public_html/blocks/categories.php (26)
Ошибка: category attribute required
#0 /home/markusby/web/markus.by/public_html/index.php(280) : eval()'d code(8): Block_Categories->enter()
#1 /home/markusby/web/markus.by/public_html/cache/templates/90ea20518bdda0f303c216bdcafc16ca1e31fafc_0.file.subcategories.tpl.php(38): smarty_block_categories(Array, NULL, Object(Smarty_Internal_Template), true)
#2 /home/markusby/web/markus.by/public_html/classes/smarty/sysplugins/smarty_template_resource_base.php(123): content_66019a32cf5b54_98550339(Object(Smarty_Internal_Template))
#3 /home/markusby/web/markus.by/public_html/classes/smarty/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode(Object(Smarty_Internal_Template))
#4 /home/markusby/web/markus.by/public_html/classes/smarty/sysplugins/smarty_internal_template.php(216): Smarty_Template_Compiled->render(Object(Smarty_Internal_Template))
#5 /home/markusby/web/markus.by/public_html/classes/smarty/sysplugins/smarty_internal_templatebase.php(232): Smarty_Internal_Template->render(false, 0)
#6 /home/markusby/web/markus.by/public_html/classes/smarty/sysplugins/smarty_internal_templatebase.php(116): Smarty_Internal_TemplateBase->_execute('site/ecommerce/...', NULL, NULL, NULL, 0)
#7 /home/markusby/web/markus.by/public_html/classes/catalogbasic.php(145): Smarty_Internal_TemplateBase->fetch('site/ecommerce/...')
#8 /home/markusby/web/markus.by/public_html/classes/route.php(162): CatalogBasic->parseBlock(33, Array)
#9 /home/markusby/web/markus.by/public_html/classes/route.php(73): Route->preparePage(Array)
#10 /home/markusby/web/markus.by/public_html/index.php(311): Route->getPage()
#11 {main}