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Warning: DOMElement::setAttribute() expects parameter 2 to be string, array given in /var/www/cinhetic/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/
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| I have an error once time in two: | |
| Stack Trace XDebug: | |
| Warning: DOMElement::setAttribute() expects parameter 2 to be string, array given in /var/www/cinhetic/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php on line 121 | |
| And Symfony stack trace: | |
| Failed to start the session because headers have already been sent by "/var/www/cinhetic/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php" at line 121. | |
| I do not know where where it comes from in my project Symfony 2.4.4 |
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