installation local to server


big problem.

I have a developpment site in my mac, php7, drupal 855.
All is ok.

But when i put all in my site (sgbd + site), deiban 9 and the same configuration, i have this message

Warning: preg_match(): Compilation failed: PCRE does not support L, l, N{name}, U, or u at offset 4 in SymfonyComponentHttpFoundationRequest->getHost() (line 1303 of /var/www/vendor/symfony/http-foundation/Request.php).

SymfonyComponentHttpFoundationRequest->getHost() (Line: 1570)
DrupalCoreDrupalKernel::setupTrustedHosts(Object, Array) (Line: 1062)
DrupalCoreDrupalKernel->initializeSettings(Object) (Line: 656)
DrupalCoreDrupalKernel->handle(Object) (Line: 19)

this message is over, when i comment this line in settings.php

$config[‘system.logging’][‘error_level’] = ‘verbose’;

But a have problem after that i haven’t in local.
Who have an idea ?

thank’s for help


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