( ! ) Warning: Use of undefined constant STDERR - assumed 'STDERR' (this will throw an Error in a future version of PHP) in /var/www/exam_ITR/vendor/doctrine/dbal/bin/doctrine-dbal.php on line 6
Call Stack
#	Time	Memory	Function	Location
1	0.0006	408168	{main}( )	.../doctrine-dbal.php:0

( ! ) Warning: fwrite() expects parameter 1 to be resource, string given in /var/www/exam_ITR/vendor/doctrine/dbal/bin/doctrine-dbal.php on line 9
Call Stack
#	Time	Memory	Function	Location
1	0.0006	408168	{main}( )	.../doctrine-dbal.php:0
2	0.0007	408168	fwrite( $fp = 'STDERR', $str = '[Warning] The use of this script is discouraged. You find instructions on how to boostrap the console runner in our documentation.\n' )	.../doctrine-dbal.php:9

You are missing a "cli-config.php" or "config/cli-config.php" file in your project, which is required to get the Doctrine-DBAL Console working. You can use the following sample as a template: