Backtrace:

file: 224 - /var/www/gordonua.com/gordon/public/lib/globals.php
call: backtrace()

file: 390 - /var/www/gordonua.com/gordon/public/lib/classes/mysql.class.php
call: coreola("backtrace")

file: 442 - /var/www/gordonua.com/gordon/public/lib/classes/mysql.class.php
call: MySql->halt("Empty variable: a")

file: -
call: MySql->process_item(Array(4))

file: 450 - /var/www/gordonua.com/gordon/public/lib/classes/mysql.class.php
call: preg_replace_callback("/\{([A-Za-z0-9\_\-]{1,100})\}|\{([A-Za-z0-9\_\-]{1,100})\|([a-z]...", Array(2), "SELECT absnum, alias, category FROM articl...")

file: 245 - /var/www/gordonua.com/gordon/public/lib/classes/mysql.class.php
call: MySql->prepareQuery("SELECT absnum, alias, category FROM articl...", Array(1))

file: 220 - /var/www/gordonua.com/gordon/public/lib/classes/mysql.class.php
call: MySql->execQuery("SELECT absnum, alias, category FROM articl...", Array(1))

file: 12 - /var/www/gordonua.com/gordon/public/lib/functions/get_ru_lang.php
call: MySql->qrow("SELECT absnum, alias, category FROM articl...", Array(1))

file: 224 - /var/www/gordonua.com/gordon/public/lib/globals.php
call: get_ru_lang(Null, "article")

file: 37 - /var/www/gordonua.com/gordon/public/cache/smarty6/templates_c/d4/5d/b9/d45db9de31bacbc33d11f54c8d61a98d2f71e0ab_0.file.comments.tpl.php
call: coreola("get_ru_lang", Null, "article")

file: 372 - /var/www/gordonua.com/gordon/public/lib/smarty_new/sysplugins/smarty_internal_template.php
call: content_647ad6e26a1cf1_85776929(Object(Smarty_Internal_Template))

file: 202 - /var/www/gordonua.com/gordon/public/lib/smarty_new/sysplugins/smarty_template_compiled.php
call: Smarty_Internal_Template->getRenderedTemplateCode()

file: 246 - /var/www/gordonua.com/gordon/public/lib/smarty_new/sysplugins/smarty_internal_template.php
call: Smarty_Template_Compiled->render(Object(Smarty_Internal_Template))

file: 456 - /var/www/gordonua.com/gordon/public/lib/smarty_new/sysplugins/smarty_internal_template.php
call: Smarty_Internal_Template->render()

file: 659 - /var/www/gordonua.com/gordon/public/cache/smarty6/templates_c/b7/e9/a1/b7e9a1fb8a78a4c28fb62db56563cbff599643a5_0.file.0.article.center.tpl.php
call: Smarty_Internal_Template->getSubTemplate("blocks/comments.tpl", Null, Null, 0, 120, Array(2), 0)

file: 372 - /var/www/gordonua.com/gordon/public/lib/smarty_new/sysplugins/smarty_internal_template.php
call: content_647ad6e266ea87_68433467(Object(Smarty_Internal_Template))

file: 202 - /var/www/gordonua.com/gordon/public/lib/smarty_new/sysplugins/smarty_template_compiled.php
call: Smarty_Internal_Template->getRenderedTemplateCode()

file: 246 - /var/www/gordonua.com/gordon/public/lib/smarty_new/sysplugins/smarty_internal_template.php
call: Smarty_Template_Compiled->render(Object(Smarty_Internal_Template))

file: 456 - /var/www/gordonua.com/gordon/public/lib/smarty_new/sysplugins/smarty_internal_template.php
call: Smarty_Internal_Template->render()

file: 175 - /var/www/gordonua.com/gordon/public/cache/smarty6/templates_c/01/50/c9/0150c92f5ef6629a51517be459bde7487dc2f6e8_0.file.0.default.tpl.php
call: Smarty_Internal_Template->getSubTemplate("0.article.center.tpl", Null, Null, 0, 120, Array(0), 0)

file: 372 - /var/www/gordonua.com/gordon/public/lib/smarty_new/sysplugins/smarty_internal_template.php
call: content_647ad6e276ea52_90751998(Object(Smarty_Internal_Template))

file: 202 - /var/www/gordonua.com/gordon/public/lib/smarty_new/sysplugins/smarty_template_compiled.php
call: Smarty_Internal_Template->getRenderedTemplateCode()

file: 246 - /var/www/gordonua.com/gordon/public/lib/smarty_new/sysplugins/smarty_internal_template.php
call: Smarty_Template_Compiled->render(Object(Smarty_Internal_Template))

file: 822 - /var/www/gordonua.com/gordon/public/lib/smarty_new/Smarty.class.php
call: Smarty_Internal_Template->render(True, False, True)

file: 836 - /var/www/gordonua.com/gordon/public/lib/smarty_new/Smarty.class.php
call: Smarty->fetch("0.default.tpl", Null, Null, Object(Smarty), True)

file: 105 - /var/www/gordonua.com/gordon/public/pages/default.php
call: Smarty->display("0.default.tpl")

file: 924 - /var/www/gordonua.com/gordon/public/index.php
call: include("/var/www/gordonua.com/gordon/public/pages/default.php")