Error: Fatal Error

Warning (512) : Unable to emit headers. Headers sent in file=/var/www/arti_cake4/vendor/cakephp/cakephp/src/Database/Statement/MysqlStatement.php line=39 [in /var/www/arti_cake4/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 71]

Code

            $message = "Unable to emit headers. Headers sent in file=$file line=$line";
            trigger_error($message, E_USER_WARNING);
        }

/var/www/arti_cake4/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php /var/www/arti_cake4/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 71
Cake\Http\ResponseEmitter->emit() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/ErrorHandler.php, line 214
Cake\Error\ErrorHandler->_sendResponse() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/ErrorHandler.php, line 139
Cake\Error\ErrorHandler->_displayException() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/BaseErrorHandler.php, line 226
Cake\Error\BaseErrorHandler->handleException() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/BaseErrorHandler.php, line 265
Cake\Error\BaseErrorHandler->handleFatalError() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/BaseErrorHandler.php, line 123
Cake\Error\BaseErrorHandler->Cake\Error\{closure}() [internal], line ??
[main]

Warning (2) : Cannot modify header information - headers already sent by (output started at /var/www/arti_cake4/vendor/cakephp/cakephp/src/Database/Statement/MysqlStatement.php:39) [in /var/www/arti_cake4/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 164]

Code

        $reasonPhrase = $response->getReasonPhrase();
        header(sprintf(
            'HTTP/%s %d%s',

/var/www/arti_cake4/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php /var/www/arti_cake4/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 164
Cake\Http\ResponseEmitter->emitStatusLine() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 74
Cake\Http\ResponseEmitter->emit() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/ErrorHandler.php, line 214
Cake\Error\ErrorHandler->_sendResponse() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/ErrorHandler.php, line 139
Cake\Error\ErrorHandler->_displayException() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/BaseErrorHandler.php, line 226
Cake\Error\BaseErrorHandler->handleException() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/BaseErrorHandler.php, line 265
Cake\Error\BaseErrorHandler->handleFatalError() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/BaseErrorHandler.php, line 123
Cake\Error\BaseErrorHandler->Cake\Error\{closure}() [internal], line ??
[main]

Code

            foreach ($values as $value) {
                header(sprintf(
                    '%s: %s',

/var/www/arti_cake4/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php /var/www/arti_cake4/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 197
Cake\Http\ResponseEmitter->emitHeaders() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 75
Cake\Http\ResponseEmitter->emit() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/ErrorHandler.php, line 214
Cake\Error\ErrorHandler->_sendResponse() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/ErrorHandler.php, line 139
Cake\Error\ErrorHandler->_displayException() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/BaseErrorHandler.php, line 226
Cake\Error\BaseErrorHandler->handleException() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/BaseErrorHandler.php, line 265
Cake\Error\BaseErrorHandler->handleFatalError() /var/www/arti_cake4/vendor/cakephp/cakephp/src/Error/BaseErrorHandler.php, line 123
Cake\Error\BaseErrorHandler->Cake\Error\{closure}() [internal], line ??
[main]

Error Allowed memory size of 1073741824 bytes exhausted (tried to allocate 681605353 bytes)

File /var/www/arti_cake4/vendor/cakephp/cakephp/src/Database/Statement/MysqlStatement.php

Line 39

CORE/src/Database/Statement/MysqlStatement.php at line 39 (edit)

	`$connection = $this->_driver->getConnection();`

	`try {`
	`$connection->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, $this->_bufferResults);`
	`$result = $this->_statement->execute($params);`
	`} finally {`
	`$connection->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, true);`
	`}`

CORE/src/Error/BaseErrorHandler.php at line123 in Cake\Error\BaseErrorHandler->handleFatalError (edit)

[internal] in Cake\Error\BaseErrorHandler->Cake\Error\{closure}

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[main]

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If you want to customize this error message, create templates/Error/fatal_error.php

	`];`
	`if (!in_array($error['type'], $fatals, true)) {`
	`return;`
	`}`
	`$this->handleFatalError(`
	`$error['type'],`
	`$error['message'],`
	`$error['file'],`
	`$error['line']`