( ! ) Fatal error: Trait "Symfony\Component\Serializer\Context\ContextBuilderTrait" not found in /home/dgregio/www/regio-ewrc/target/vendor/symfony/serializer/Context/Encoder/YamlEncoderContextBuilder.php on line 27
Call Stack
#	Time	Memory	Function	Location
1	0.0004	373296	{main}( )	.../YamlEncoderContextBuilder.php:0