composer require sonata-project/news-bundle

╭─yoesoff@yoesoff-ThinkPad-X220 ~/Documents/projects/oblog  ‹master›
╰─➤  composer require sonata-project/news-bundle
Restricting packages listed in "symfony/symfony" to "4.3.*"
Using version ^3.8 for sonata-project/news-bundle
./composer.json has been updated
Restricting packages listed in "symfony/symfony" to "4.3.*"
Loading composer repositories with package information
Updating dependencies (including require-dev)

Prefetching 32 packages 🎶
  - Downloading (100%)

Package operations: 32 installs, 0 updates, 0 removals
  - Installing sonata-project/easy-extends-bundle (2.5.0): Loading from cache
  - Installing sonata-project/user-bundle (4.4.0): Loading from cache
  - Installing ralouphie/getallheaders (3.0.3): Loading from cache
  - Installing psr/http-message (1.0.1): Loading from cache
  - Installing guzzlehttp/psr7 (1.6.0): Loading from cache
  - Installing kriswallsmith/buzz (v0.16.1): Loading from cache
  - Installing knplabs/gaufrette (v0.8.3): Loading from cache
  - Installing hoa/exception (1.17.01.16): Loading from cache
  - Installing hoa/event (1.17.01.13): Loading from cache
  - Installing hoa/consistency (1.17.05.02): Loading from cache
  - Installing hoa/visitor (2.17.01.16): Loading from cache
  - Installing hoa/ustring (4.17.01.16): Loading from cache
  - Installing hoa/protocol (1.17.01.14): Loading from cache
  - Installing hoa/zformat (1.17.01.10): Loading from cache
  - Installing hoa/iterator (2.17.01.10): Loading from cache
  - Installing hoa/compiler (3.17.08.08): Loading from cache
  - Installing hoa/regex (1.17.01.13): Loading from cache
  - Installing hoa/math (1.17.05.16): Loading from cache
  - Installing hoa/stream (1.17.02.21): Loading from cache
  - Installing hoa/file (1.17.07.11): Loading from cache
  - Installing jms/metadata (2.0.0): Loading from cache
  - Installing jms/serializer (2.3.0): Loading from cache
  - Installing jms/serializer-bundle (3.4.1): Loading from cache
  - Installing imagine/imagine (v0.7.1): Loading from cache
  - Installing sonata-project/media-bundle (3.20.1): Loading from cache
  - Installing sonata-project/intl-bundle (2.6.0): Loading from cache
  - Installing michelf/php-markdown (1.8.0): Loading from cache
  - Installing knplabs/knp-markdown-bundle (1.7.1): Loading from cache
  - Installing friendsofsymfony/ckeditor-bundle (1.2.0): Loading from cache
  - Installing sonata-project/formatter-bundle (4.1.3): Loading from cache
  - Installing sonata-project/classification-bundle (3.8.1): Loading from cache
  - Installing sonata-project/news-bundle (3.8.0): Loading from cache
Writing lock file
Generating autoload files
ocramius/package-versions:  Generating version class...
ocramius/package-versions: ...done generating version class
Symfony operations: 10 recipes (4c37930ba95df1ab8abbdd1a2b0350e1)
  - Configuring sonata-project/easy-extends-bundle (>=2.5.0): From auto-generated recipe
  - Configuring sonata-project/user-bundle (>=4.4.0): From auto-generated recipe
  -  WARNING  jms/serializer-bundle (>=3.0): From github.com/symfony/recipes-contrib:master
    The recipe for this package comes from the "contrib" repository, which is open to community contributions.
    Review the recipe at https://github.com/symfony/recipes-contrib/tree/master/jms/serializer-bundle/3.0

    Do you want to execute this recipe?
    [y] Yes
    [n] No
    [a] Yes for all packages, only for the current installation session
    [p] Yes permanently, never ask again for this project
    (defaults to n): y
  - Configuring jms/serializer-bundle (>=3.0): From github.com/symfony/recipes-contrib:master
  -  WARNING  sonata-project/media-bundle (>=3.13): From github.com/symfony/recipes-contrib:master
    The recipe for this package comes from the "contrib" repository, which is open to community contributions.
    Review the recipe at https://github.com/symfony/recipes-contrib/tree/master/sonata-project/media-bundle/3.13

    Do you want to execute this recipe?
    [y] Yes
    [n] No
    [a] Yes for all packages, only for the current installation session
    [p] Yes permanently, never ask again for this project
    (defaults to n): y
  - Configuring sonata-project/media-bundle (>=3.13): From github.com/symfony/recipes-contrib:master
  - Configuring sonata-project/intl-bundle (>=2.6.0): From auto-generated recipe
  - Configuring knplabs/knp-markdown-bundle (>=1.7.1): From auto-generated recipe
  - Configuring friendsofsymfony/ckeditor-bundle (>=1.2.0): From auto-generated recipe
  - Configuring sonata-project/formatter-bundle (>=4.1.3): From auto-generated recipe
  -  WARNING  sonata-project/classification-bundle (>=3.7): From github.com/symfony/recipes-contrib:master
    The recipe for this package comes from the "contrib" repository, which is open to community contributions.
    Review the recipe at https://github.com/symfony/recipes-contrib/tree/master/sonata-project/classification-bundle/3.7

    Do you want to execute this recipe?
    [y] Yes
    [n] No
    [a] Yes for all packages, only for the current installation session
    [p] Yes permanently, never ask again for this project
    (defaults to n): y
  - Configuring sonata-project/classification-bundle (>=3.7): From github.com/symfony/recipes-contrib:master
  - Configuring sonata-project/news-bundle (>=3.8.0): From auto-generated recipe
Executing script cache:clear [KO]
 [KO]
Script cache:clear returned with error code 1
!!
!!  In ArrayNode.php line 228:
!!
!!    The child node "default_formatter" at path "sonata_formatter" must be confi
!!    gured.
!!
!!
!!