Error on Swagger after API Platform update - php

Question

I updated API Platform from 1.2 to 2.7 on an old project.
My API work fine, but I've an error on the Swagger HTML page :
TypeError:
Lexik\Bundle\JWTAuthenticationBundle\OpenApi\OpenApiFactory::__construct(): Argument #2 ($checkPath) must be of type string, null given, called in /app/var/cache/dev/ContainerCRp5KBI/getLexikJwtAuthentication_ApiPlatform_Openapi_FactoryService.php on line 14
at vendor/lexik/jwt-authentication-bundle/OpenApi/OpenApiFactory.php:31
at Lexik\Bundle\JWTAuthenticationBundle\OpenApi\OpenApiFactory->__construct(object(OpenApiFactory), null, null, null)
(var/cache/dev/ContainerCRp5KBI/getLexikJwtAuthentication_ApiPlatform_Openapi_FactoryService.php:14)
at require('/app/var/cache/dev/ContainerCRp5KBI/getLexikJwtAuthentication_ApiPlatform_Openapi_FactoryService.php')
(var/cache/dev/ContainerCRp5KBI/srcApp_KernelDevDebugContainer.php:682)
at ContainerCRp5KBI\srcApp_KernelDevDebugContainer->load('getLexikJwtAuthentication_ApiPlatform_Openapi_FactoryService.php')
(var/cache/dev/ContainerCRp5KBI/getApiPlatform_SwaggerUi_ActionService.php:12)
at require('/app/var/cache/dev/ContainerCRp5KBI/getApiPlatform_SwaggerUi_ActionService.php')
(var/cache/dev/ContainerCRp5KBI/srcApp_KernelDevDebugContainer.php:682)
at ContainerCRp5KBI\srcApp_KernelDevDebugContainer->load('getApiPlatform_SwaggerUi_ActionService.php')
(var/cache/dev/ContainerCRp5KBI/getApiPlatform_Swagger_Action_UiService.php:11)
at require('/app/var/cache/dev/ContainerCRp5KBI/getApiPlatform_Swagger_Action_UiService.php')
(var/cache/dev/ContainerCRp5KBI/srcApp_KernelDevDebugContainer.php:682)
at ContainerCRp5KBI\srcApp_KernelDevDebugContainer->load('getApiPlatform_Swagger_Action_UiService.php')
(vendor/symfony/dependency-injection/Container.php:255)
at Symfony\Component\DependencyInjection\Container->make('api_platform.swagger.action.ui', 1)
(vendor/symfony/dependency-injection/Container.php:231)
at Symfony\Component\DependencyInjection\Container->get('api_platform.swagger.action.ui')
(vendor/symfony/http-kernel/Controller/ContainerControllerResolver.php:53)
at Symfony\Component\HttpKernel\Controller\ContainerControllerResolver->instantiateController('api_platform.swagger.action.ui')
(vendor/symfony/framework-bundle/Controller/ControllerResolver.php:70)
at Symfony\Bundle\FrameworkBundle\Controller\ControllerResolver->instantiateController('api_platform.swagger.action.ui')
(vendor/symfony/http-kernel/Controller/ControllerResolver.php:110)
at Symfony\Component\HttpKernel\Controller\ControllerResolver->createController('api_platform.swagger.action.ui')
(vendor/symfony/http-kernel/Controller/ContainerControllerResolver.php:42)
at Symfony\Component\HttpKernel\Controller\ContainerControllerResolver->createController('api_platform.swagger.action.ui')
(vendor/symfony/framework-bundle/Controller/ControllerResolver.php:62)
at Symfony\Bundle\FrameworkBundle\Controller\ControllerResolver->createController('api_platform.swagger.action.ui')
(vendor/symfony/http-kernel/Controller/ControllerResolver.php:86)
at Symfony\Component\HttpKernel\Controller\ControllerResolver->getController(object(Request))
(vendor/symfony/http-kernel/Controller/TraceableControllerResolver.php:38)
at Symfony\Component\HttpKernel\Controller\TraceableControllerResolver->getController(object(Request))
(vendor/symfony/http-kernel/HttpKernel.php:152)
at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), 1)
(vendor/symfony/http-kernel/HttpKernel.php:81)
at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), 1, true)
(vendor/symfony/http-kernel/Kernel.php:201)
at Symfony\Component\HttpKernel\Kernel->handle(object(Request))
(public/index.php:25)
Why I call the entrypoint as a JSON format, everything work fine. So I don't understand where this error comes from ?