EXCEPTION (PhutilAggregateException): Encountered multiple exceptions while transmitting mail. - RuntimeException: strlen(): Passing null to parameter #1 ($string) of type string is deprecated - RuntimeException: strlen(): Passing null to parameter #1 ($string) of type string is deprecated #0 /Users/epriestley/dev/core/lib/phabricator/src/applications/metamta/storage/__tests__/PhabricatorMetaMTAMailTestCase.php(286): PhabricatorMetaMTAMail->sendWithMailers(Array) #1 /Users/epriestley/dev/core/lib/arcanist/src/unit/engine/phutil/PhutilTestCase.php(634): PhabricatorMetaMTAMailTestCase->testMailerFailover() #2 /Users/epriestley/dev/core/lib/arcanist/src/unit/engine/PhutilUnitTestEngine.php(69): PhutilTestCase->run() #3 /Users/epriestley/dev/core/lib/arcanist/src/unit/engine/ArcanistConfigurationDrivenUnitTestEngine.php(148): PhutilUnitTestEngine->run() #4 /Users/epriestley/dev/core/lib/arcanist/src/workflow/ArcanistUnitWorkflow.php(170): ArcanistConfigurationDrivenUnitTestEngine->run() #5 /Users/epriestley/dev/core/lib/arcanist/src/workflow/ArcanistDiffWorkflow.php(1228): ArcanistUnitWorkflow->run() #6 /Users/epriestley/dev/core/lib/arcanist/src/workflow/ArcanistDiffWorkflow.php(1130): ArcanistDiffWorkflow->runUnit() #7 /Users/epriestley/dev/core/lib/arcanist/src/workflow/ArcanistDiffWorkflow.php(363): ArcanistDiffWorkflow->runLintUnit() #8 /Users/epriestley/dev/core/lib/arcanist/scripts/arcanist.php(427): ArcanistDiffWorkflow->run() #9 {main}