PHP message: [2023-08-16 10:13:37] EXCEPTION: (RuntimeException) strlen(): Passing null to parameter #1 ($string) of type string is deprecated at [<arcanist>/src/error/PhutilErrorHandler.php:261]; 
PHP message: arcanist(head=css2, ref.master=df6c315ace5f, ref.css2=df6c315ace5f), phorge(head=arcpatch-D25382, ref.master=29493f8a5c95, ref.arcpatch-D25382=eb91eb598488); 
PHP message:   #0 <#2> PhutilErrorHandler::handleError(integer, string, string, integer) called at [<phorge>/src/applications/config/check/PhabricatorWebServerSetupCheck.php:26]; 
PHP message:   #1 <#2> PhabricatorWebServerSetupCheck::executeChecks() called at [<phorge>/src/applications/config/check/PhabricatorSetupCheck.php:63]; 
PHP message:   #2 <#2> PhabricatorSetupCheck::runSetupChecks() called at [<phorge>/src/applications/config/check/PhabricatorSetupCheck.php:258]; 
PHP message:   #3 <#2> PhabricatorSetupCheck::runNormalChecks() called at [<phorge>/src/applications/config/engine/PhabricatorSetupEngine.php:26]; 
PHP message:   #4 <#2> PhabricatorSetupEngine::execute() called at [<phorge>/src/applications/config/check/PhabricatorSetupCheck.php:194]; 
PHP message:   #5 <#2> PhabricatorSetupCheck::willProcessRequest() called at [<phorge>/src/aphront/configuration/AphrontApplicationConfiguration.php:169]; 
PHP message:   #6 <#2> AphrontApplicationConfiguration::runHTTPRequest(AphrontPHPHTTPSink) called at [<phorge>/webroot/index.php:35]; 
PHP message:   #7 phlog(RuntimeException) called at [<phorge>/src/aphront/response/AphrontUnhandledExceptionResponse.php:32]; 
PHP message:   #8 AphrontUnhandledExceptionResponse::setException(RuntimeException) called at [<phorge>/webroot/index.php:46]" while reading response header from upstream,