jos-Error: JDatabaseMySQLi::query: 1054 - Unknown column 'alias' in 'where clause' SQL=SELECT id FROM soa61_assets WHERE alias = 'root'

JSite -> dispatch() @ /data/www/sites/www.rxmuscle.com/files/html/index.php:42
JComponentHelper :: renderComponent() @ /data/www/sites/www.rxmuscle.com/files/html/includes/application.php:194
JComponentHelper :: executeComponent() @ /data/www/sites/www.rxmuscle.com/files/html/libraries/joomla/application/component/helper.php:348
require_once() @ /data/www/sites/www.rxmuscle.com/files/html/libraries/joomla/application/component/helper.php:380
JController -> execute() @ /data/www/sites/www.rxmuscle.com/files/html/components/com_content/content.php:16
ContentController -> display() @ /data/www/sites/www.rxmuscle.com/files/html/libraries/joomla/application/component/controller.php:761
JController -> display() @ /data/www/sites/www.rxmuscle.com/files/html/components/com_content/controller.php:74
JCacheControllerView -> get() @ /data/www/sites/www.rxmuscle.com/files/html/libraries/joomla/application/component/controller.php:718
ContentViewCategory -> display() @ /data/www/sites/www.rxmuscle.com/files/html/libraries/joomla/cache/controller/view.php:98
JView -> get() @ /data/www/sites/www.rxmuscle.com/files/html/components/com_content/views/category/view.html.php:39
ContentModelCategory -> getItems() @ /data/www/sites/www.rxmuscle.com/files/html/libraries/joomla/application/component/view.php:386
ContentModelCategory -> getCategory() @ /data/www/sites/www.rxmuscle.com/files/html/components/com_content/models/category.php:210
JUser -> authorise() @ /data/www/sites/www.rxmuscle.com/files/html/components/com_content/models/category.php:321
JAccess :: check() @ /data/www/sites/www.rxmuscle.com/files/html/libraries/joomla/user/user.php:386
JAccess :: getAssetRules() @ /data/www/sites/www.rxmuscle.com/files/html/libraries/joomla/access/access.php:110
JTableNested -> getRootId() @ /data/www/sites/www.rxmuscle.com/files/html/libraries/joomla/access/access.php:255
JDatabase -> loadColumn() @ /data/www/sites/www.rxmuscle.com/files/html/libraries/joomla/database/tablenested.php:1262
JDatabaseMySQLi -> execute() @ /data/www/sites/www.rxmuscle.com/files/html/libraries/joomla/database/database.php:991
JError :: raiseError() @ /data/www/sites/www.rxmuscle.com/files/html/libraries/joomla/database/database/mysqli.php:396
JError :: raise() @ /data/www/sites/www.rxmuscle.com/files/html/libraries/joomla/error/error.php:251