Text files should end with a valid new line character.

More information: https://insight.symfony.com/what-we-analyse/missing_e_o_l

in config/services.yaml, line 15 
  1.         resource: '../src/'
  3.     App\OpenApi\PortfolioOpenApiDecorator:
  4.         decorates: 'api_platform.openapi.factory'
  5.         arguments:
  6.             $decorated: '@.inner'
    This file ends with no newline character, or with a different newline character than other files in your project. It won't render properly on a terminal, and it's considered a bad practice.
    Time to fix: about 15 minutes
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                                    Last edited  by Luigi Gandemer