Slim Application Error

The application could not run because of the following error:

Details

Type: TypeError
Code: 0
Message: json_decode(): Argument #1 ($json) must be of type string, null given
File: /www.carteam.pl/src/Action/OfferAction.php
Line: 70

Trace

#0 /www.carteam.pl/src/Action/OfferAction.php(70): json_decode()
#1 /www.carteam.pl/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(43): App\Action\OfferAction->__invoke()
#2 /www.carteam.pl/vendor/slim/slim/Slim/Routing/Route.php(384): Slim\Handlers\Strategies\RequestResponse->__invoke()
#3 /www.carteam.pl/config/routes.php(78): Slim\Routing\Route->handle()
#4 /www.carteam.pl/vendor/slim/slim/Slim/MiddlewareDispatcher.php(313): Closure->{closure}()
#5 /www.carteam.pl/vendor/slim/slim/Slim/MiddlewareDispatcher.php(81): Psr\Http\Server\RequestHandlerInterface@anonymous->handle()
#6 /www.carteam.pl/vendor/slim/slim/Slim/MiddlewareDispatcher.php(81): Slim\MiddlewareDispatcher->handle()
#7 /www.carteam.pl/vendor/slim/slim/Slim/Routing/Route.php(341): Slim\MiddlewareDispatcher->handle()
#8 /www.carteam.pl/vendor/slim/slim/Slim/Routing/RouteRunner.php(84): Slim\Routing\Route->run()
#9 /www.carteam.pl/vendor/slim/slim/Slim/Middleware/RoutingMiddleware.php(59): Slim\Routing\RouteRunner->handle()
#10 /www.carteam.pl/vendor/slim/slim/Slim/MiddlewareDispatcher.php(147): Slim\Middleware\RoutingMiddleware->process()
#11 /www.carteam.pl/vendor/slim/slim/Slim/Middleware/BodyParsingMiddleware.php(68): Psr\Http\Server\RequestHandlerInterface@anonymous->handle()
#12 /www.carteam.pl/vendor/slim/slim/Slim/MiddlewareDispatcher.php(147): Slim\Middleware\BodyParsingMiddleware->process()
#13 /www.carteam.pl/vendor/slim/slim/Slim/Middleware/ErrorMiddleware.php(107): Psr\Http\Server\RequestHandlerInterface@anonymous->handle()
#14 /www.carteam.pl/vendor/slim/slim/Slim/MiddlewareDispatcher.php(147): Slim\Middleware\ErrorMiddleware->process()
#15 /www.carteam.pl/vendor/slim/slim/Slim/MiddlewareDispatcher.php(81): Psr\Http\Server\RequestHandlerInterface@anonymous->handle()
#16 /www.carteam.pl/vendor/slim/slim/Slim/App.php(215): Slim\MiddlewareDispatcher->handle()
#17 /www.carteam.pl/vendor/slim/slim/Slim/App.php(199): Slim\App->handle()
#18 /www.carteam.pl/public/index.php(81): Slim\App->run()
#19 {main}
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