Internal Server Error

Invalid argument supplied for foreach()

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2015-07-20 13:34:32
Application Log
Timestamp Level Category Message
13:34:32.356178 error php
Invalid argument supplied for foreach()
(/var/www/my_webapp/lsdev/application/helpers/import/BaseElementXmlImport.php:95)
Stack trace:
#0
/var/www/my_webapp/lsdev/application/helpers/import/BaseElementXmlImport.php(16):
ls\import\importers\Import181->constructTree()
#1
/var/www/my_webapp/lsdev/application/helpers/import/ImportFactory.php(17):
ls\import\importers\Import181->setSource()
#2
/var/www/my_webapp/lsdev/application/controllers/SurveysController.php(217):
getForLss()
#3
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/actions/CInlineAction.php(49):
ls\controllers\SurveysController->actionImport()
#4
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/CController.php(308):
CInlineAction->runWithParams()
#5
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/filters/CFilterChain.php(133):
ls\controllers\SurveysController->runAction()
#6
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/filters/CFilter.php(40):
CFilterChain->run()
#7
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/CController.php(1145):
CAccessControlFilter->filter()
#8
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/filters/CInlineFilter.php(58):
ls\controllers\SurveysController->filterAccessControl()
#9
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/filters/CFilterChain.php(130):
CInlineFilter->filter()
#10
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/filters/CFilter.php(40):
CFilterChain->run()
#11
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/CController.php(1145):
CAccessControlFilter->filter()
#12
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/filters/CInlineFilter.php(58):
ls\controllers\SurveysController->filterAccessControl()
#13
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/filters/CFilterChain.php(130):
CInlineFilter->filter()
#14
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/CController.php(291):
CFilterChain->run()
#15
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/CController.php(265):
ls\controllers\SurveysController->runActionWithFilters()
#16
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/CWebApplication.php(282):
ls\controllers\SurveysController->run()
#17
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/web/CWebApplication.php(141):
WebApplication->runController()
#18 /var/www/my_webapp/lsdev/application/core/WebApplication.php(77):
WebApplication->processRequest()
#19
/var/www/my_webapp/lsdev/application/vendor/yiisoft/yii/framework/base/CApplication.php(184):
WebApplication->processRequest()
#20 /var/www/my_webapp/lsdev/application/entry.php(43):
WebApplication->run()
#21 /var/www/my_webapp/lsdev/index.php(2): include()
REQUEST_URI=/lsdev/index.php?r=surveys/import
Profiling Summary Report (Time: 0.06557s, Memory: 3,784KB)
Procedure Count Total (s) Avg. (s) Min. (s) Max. (s)
system.db.CDbCommand.query(SELECT * FROM `lime_permissions` `t` WHERE `t`.`entity_id`=:yp0 AND `t`.`entity`=:yp1 AND `t`.`uid`=:yp2 AND `t`.`permission`=:yp3 LIMIT 1. Bound with :yp0=0, :yp1='global', :yp2='1', :yp3='superadmin') 1 0.00034 0.00034 0.00034 0.00034
system.db.CDbCommand.query(SELECT * FROM `lime_settings_global` `t` WHERE `t`.`stg_name`='authenticationPlugins' LIMIT 1) 1 0.00034 0.00034 0.00034 0.00034
system.db.CDbCommand.query(SELECT * FROM `lime_settings_global` `t` WHERE `t`.`stg_name`='sitename' LIMIT 1) 1 0.00033 0.00033 0.00033 0.00033
system.db.CDbCommand.query(SELECT * FROM `lime_settings_global` `t` WHERE `t`.`stg_name`='force_ssl' LIMIT 1) 1 0.00033 0.00033 0.00033 0.00033
system.db.CDbCommand.query(SELECT * FROM `lime_settings_global` `t` WHERE `t`.`stg_name`='authorizationPlugin' LIMIT 1) 1 0.00032 0.00032 0.00032 0.00032