UnprocessableEntityHttpException after the API password

[volkovmqx]

with debug mode enabled, i get this :

What is the password associated to this username? []:
 > xxxx                                                                                            
  [Akeneo\PimMigration\Domain\MigrationStep\s015_SourcePimApiConfiguration\SourcePimApiConfigurationException (422)]  
  Error: Step 1.5 - SourcePimApiConfiguration: Unprocessable Entity                                                   
                                                                                                                      

Exception trace:
 () at /home/docker/transporteo/src/Infrastructure/MigrationStep/S015FromSourcePimConfiguredToSourcePimApiConfigured.php:59
 Akeneo\PimMigration\Infrastructure\MigrationStep\S015FromSourcePimConfiguredToSourcePimApiConfigured->onSourcePimApiConfiguration() at n/a:n/a
 call_user_func() at /home/docker/transporteo/vendor/symfony/event-dispatcher/EventDispatcher.php:212
 Symfony\Component\EventDispatcher\EventDispatcher->doDispatch() at /home/docker/transporteo/vendor/symfony/event-dispatcher/EventDispatcher.php:44
 Symfony\Component\EventDispatcher\EventDispatcher->dispatch() at /home/docker/transporteo/vendor/symfony/workflow/Workflow.php:256
 Symfony\Component\Workflow\Workflow->transition() at /home/docker/transporteo/vendor/symfony/workflow/Workflow.php:137
 Symfony\Component\Workflow\Workflow->apply() at /home/docker/transporteo/src/Infrastructure/TransporteoStateMachine.php:97
 Akeneo\PimMigration\Infrastructure\TransporteoStateMachine->start() at /home/docker/transporteo/src/Infrastructure/UserInterface/Cli/Transporteo.php:44
 Akeneo\PimMigration\Infrastructure\UserInterface\Cli\Transporteo->execute() at /home/docker/transporteo/vendor/symfony/console/Command/Command.php:264
 Symfony\Component\Console\Command\Command->run() at /home/docker/transporteo/vendor/symfony/console/Application.php:887
 Symfony\Component\Console\Application->doRunCommand() at /home/docker/transporteo/vendor/symfony/console/Application.php:223
 Symfony\Component\Console\Application->doRun() at /home/docker/transporteo/vendor/symfony/console/Application.php:130
 Symfony\Component\Console\Application->run() at /home/docker/transporteo/Transporteo.php:17

                                                                 
  [Akeneo\Pim\Exception\UnprocessableEntityHttpException (422)]  
  Unprocessable Entity                                           
                                                                 

Exception trace:
 () at /home/docker/transporteo/vendor/akeneo/api-php-client/src/Client/HttpExceptionHandler.php:53
 Akeneo\Pim\Client\HttpExceptionHandler->transformResponseToException() at /home/docker/transporteo/vendor/akeneo/api-php-client/src/Client/HttpClient.php:46
 Akeneo\Pim\Client\HttpClient->sendRequest() at /home/docker/transporteo/vendor/akeneo/api-php-client/src/Api/AuthenticationApi.php:80
 Akeneo\Pim\Api\AuthenticationApi->authenticate() at /home/docker/transporteo/vendor/akeneo/api-php-client/src/Api/AuthenticationApi.php:46
 Akeneo\Pim\Api\AuthenticationApi->authenticateByPassword() at /home/docker/transporteo/vendor/akeneo/api-php-client/src/Client/AuthenticatedHttpClient.php:57
 Akeneo\Pim\Client\AuthenticatedHttpClient->sendRequest() at /home/docker/transporteo/vendor/akeneo/api-php-client/src/Client/ResourceClient.php:56
 Akeneo\Pim\Client\ResourceClient->getResource() at /home/docker/transporteo/vendor/akeneo/api-php-client/src/Client/ResourceClient.php:87
 Akeneo\Pim\Client\ResourceClient->getResources() at /home/docker/transporteo/vendor/akeneo/api-php-client/src/Api/ProductApi.php:59
 Akeneo\Pim\Api\ProductApi->listPerPage() at /home/docker/transporteo/vendor/akeneo/api-php-client/src/Api/ProductApi.php:71
 Akeneo\Pim\Api\ProductApi->all() at /home/docker/transporteo/src/Infrastructure/MigrationStep/S015FromSourWhat is the password associated to this username? []:
 > xxxx                                                                                            
  [Akeneo\PimMigration\Domain\MigrationStep\s015_SourcePimApiConfiguration\SourcePimApiConfigurationException (422)]  
  Error: Step 1.5 - SourcePimApiConfiguration: Unprocessable Entity                                                   
                                                                                                                      

Exception trace:
 () at /home/docker/transporteo/src/Infrastructure/MigrationStep/S015FromSourcePimConfiguredToSourcePimApiConfigured.php:59
 Akeneo\PimMigration\Infrastructure\MigrationStep\S015FromSourcePimConfiguredToSourcePimApiConfigured->onSourcePimApiConfiguration() at n/a:n/a
 call_user_func() at /home/docker/transporteo/vendor/symfony/event-dispatcher/EventDispatcher.php:212
 Symfony\Component\EventDispatcher\EventDispatcher->doDispatch() at /home/docker/transporteo/vendor/symfony/event-dispatcher/EventDispatcher.php:44
 Symfony\Component\EventDispatcher\EventDispatcher->dispatch() at /home/docker/transporteo/vendor/symfony/workflow/Workflow.php:256
 Symfony\Component\Workflow\Workflow->transition() at /home/docker/transporteo/vendor/symfony/workflow/Workflow.php:137
 Symfony\Component\Workflow\Workflow->apply() at /home/docker/transporteo/src/Infrastructure/TransporteoStateMachine.php:97
 Akeneo\PimMigration\Infrastructure\TransporteoStateMachine->start() at /home/docker/transporteo/src/Infrastructure/UserInterface/Cli/Transporteo.php:44
 Akeneo\PimMigration\Infrastructure\UserInterface\Cli\Transporteo->execute() at /home/docker/transporteo/vendor/symfony/console/Command/Command.php:264
 Symfony\Component\Console\Command\Command->run() at /home/docker/transporteo/vendor/symfony/console/Application.php:887
 Symfony\Component\Console\Application->doRunCommand() at /home/docker/transporteo/vendor/symfony/console/Application.php:223
 Symfony\Component\Console\ApplicacePimConfiguredToSourcePimApiConfigured.php:57
 Akeneo\PimMigration\Infrastructure\MigrationStep\S015FromSourcePimConfiguredToSourcePimApiConfigured->onSourcePimApiConfiguration() at n/a:n/a
 call_user_func() at /home/docker/transporteo/vendor/symfony/event-dispatcher/EventDispatcher.php:212
 Symfony\Component\EventDispatcher\EventDispatcher->doDispatch() at /home/docker/transporteo/vendor/symfony/event-dispatcher/EventDispatcher.php:44
 Symfony\Component\EventDispatcher\EventDispatcher->dispatch() at /home/docker/transporteo/vendor/symfony/workflow/Workflow.php:256
 Symfony\Component\Workflow\Workflow->transition() at /home/docker/transporteo/vendor/symfony/workflow/Workflow.php:137
 Symfony\Component\Workflow\Workflow->apply() at /home/docker/transporteo/src/Infrastructure/TransporteoStateMachine.php:97
 Akeneo\PimMigration\Infrastructure\TransporteoStateMachine->start() at /home/docker/transporteo/src/Infrastructure/UserInterface/Cli/Transporteo.php:44
 Akeneo\PimMigration\Infrastructure\UserInterface\Cli\Transporteo->execute() at /home/docker/transporteo/vendor/symfony/console/Command/Command.php:264
 Symfony\Component\Console\Command\Command->run() at /home/docker/transporteo/vendor/symfony/console/Application.php:887
 Symfony\Component\Console\Application->doRunCommand() at /home/docker/transporteo/vendor/symfony/console/Application.php:223
 Symfony\Component\Console\Application->doRun() at /home/docker/transporteo/vendor/symfony/console/Application.php:130
 Symfony\Component\Console\Application->run() at /home/docker/transporteo/Transporteo.php:17

akeneo-pim:migrate [-h|--help] [-q|--quiet] [-v|vv|vvv|--verbose] [-V|--version] [--ansi] [--no-ansi] [-n|--no-interaction] [--] <command>

any clue?