An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /home/qso/yii/frontend/modules/statistics/controllers/RussiaController.php on line 78. in /home/qso/yii/vendor/yiisoft/yii2/web/Response.php:369
Stack trace:
#0 /home/qso/yii/vendor/yiisoft/yii2/web/Response.php(342): yii\web\Response->sendHeaders()
#1 /home/qso/yii/vendor/yiisoft/yii2/web/ErrorHandler.php(136): yii\web\Response->send()
#2 /home/qso/yii/vendor/yiisoft/yii2/base/ErrorHandler.php(152): yii\web\ErrorHandler->renderException(Object(yii\db\Exception))
#3 [internal function]: yii\base\ErrorHandler->handleException(Object(yii\db\Exception))
#4 {main}
Previous exception:
PDOException: SQLSTATE[42703]: Undefined column: 7 ERROR:  column "id_operatord" does not exist
LINE 1: ...distinct rdxc) FROM "russia_statistic_view" WHERE "id_operat...
                                                             ^
HINT:  Perhaps you meant to reference the column "russia_statistic_view.id_operator". in /home/qso/yii/vendor/yiisoft/yii2/db/Command.php:1320
Stack trace:
#0 /home/qso/yii/vendor/yiisoft/yii2/db/Command.php(1320): PDOStatement->execute()
#1 /home/qso/yii/vendor/yiisoft/yii2/db/Command.php(1186): yii\db\Command->internalExecute('SELECT COUNT(di...')
#2 /home/qso/yii/vendor/yiisoft/yii2/db/Command.php(443): yii\db\Command->queryInternal('fetchColumn', 0)
#3 /home/qso/yii/vendor/yiisoft/yii2/db/Query.php(497): yii\db\Command->queryScalar()
#4 /home/qso/yii/vendor/yiisoft/yii2/db/ActiveQuery.php(352): yii\db\Query->queryScalar('COUNT(distinct ...', Object(yii\db\Connection))
#5 /home/qso/yii/vendor/yiisoft/yii2/db/Query.php(368): yii\db\ActiveQuery->queryScalar('COUNT(distinct ...', Object(yii\db\Connection))
#6 /home/qso/yii/frontend/modules/statistics/controllers/RussiaController.php(81): yii\db\Query->count('distinct rdxc')
#7 [internal function]: frontend\modules\statistics\controllers\RussiaController->actionView(2082)
#8 /home/qso/yii/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array(Array, Array)
#9 /home/qso/yii/vendor/yiisoft/yii2/base/Controller.php(178): yii\base\InlineAction->runWithParams(Array)
#10 /home/qso/yii/vendor/yiisoft/yii2/base/Module.php(552): yii\base\Controller->runAction('view', Array)
#11 /home/qso/yii/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction('statistics/russ...', Array)
#12 /home/qso/yii/vendor/yiisoft/yii2/base/Application.php(384): yii\web\Application->handleRequest(Object(yii\web\Request))
#13 /home/qso/yii/frontend/web/index.php(18): yii\base\Application->run()
#14 {main}

Next yii\db\Exception: SQLSTATE[42703]: Undefined column: 7 ERROR:  column "id_operatord" does not exist
LINE 1: ...distinct rdxc) FROM "russia_statistic_view" WHERE "id_operat...
                                                             ^
HINT:  Perhaps you meant to reference the column "russia_statistic_view.id_operator".
The SQL being executed was: SELECT COUNT(distinct rdxc) FROM "russia_statistic_view" WHERE "id_operatord"=2082 in /home/qso/yii/vendor/yiisoft/yii2/db/Schema.php:676
Stack trace:
#0 /home/qso/yii/vendor/yiisoft/yii2/db/Command.php(1325): yii\db\Schema->convertException(Object(PDOException), 'SELECT COUNT(di...')
#1 /home/qso/yii/vendor/yiisoft/yii2/db/Command.php(1186): yii\db\Command->internalExecute('SELECT COUNT(di...')
#2 /home/qso/yii/vendor/yiisoft/yii2/db/Command.php(443): yii\db\Command->queryInternal('fetchColumn', 0)
#3 /home/qso/yii/vendor/yiisoft/yii2/db/Query.php(497): yii\db\Command->queryScalar()
#4 /home/qso/yii/vendor/yiisoft/yii2/db/ActiveQuery.php(352): yii\db\Query->queryScalar('COUNT(distinct ...', Object(yii\db\Connection))
#5 /home/qso/yii/vendor/yiisoft/yii2/db/Query.php(368): yii\db\ActiveQuery->queryScalar('COUNT(distinct ...', Object(yii\db\Connection))
#6 /home/qso/yii/frontend/modules/statistics/controllers/RussiaController.php(81): yii\db\Query->count('distinct rdxc')
#7 [internal function]: frontend\modules\statistics\controllers\RussiaController->actionView(2082)
#8 /home/qso/yii/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array(Array, Array)
#9 /home/qso/yii/vendor/yiisoft/yii2/base/Controller.php(178): yii\base\InlineAction->runWithParams(Array)
#10 /home/qso/yii/vendor/yiisoft/yii2/base/Module.php(552): yii\base\Controller->runAction('view', Array)
#11 /home/qso/yii/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction('statistics/russ...', Array)
#12 /home/qso/yii/vendor/yiisoft/yii2/base/Application.php(384): yii\web\Application->handleRequest(Object(yii\web\Request))
#13 /home/qso/yii/frontend/web/index.php(18): yii\base\Application->run()
#14 {main}
Additional Information:
Array
(
    [0] => 42703
    [1] => 7
    [2] => ERROR:  column "id_operatord" does not exist
LINE 1: ...distinct rdxc) FROM "russia_statistic_view" WHERE "id_operat...
                                                             ^
HINT:  Perhaps you meant to reference the column "russia_statistic_view.id_operator".
)