The service "Happyr\WordpressBundle\Api\WpClient" has a dependency on a non-existent service "Psr\Http\Message\RequestFactoryInterface".

[alexis2209]

I receive this error after installation :
The service "Happyr\WordpressBundle\Api\WpClient" has a dependency on a non-existent service "Psr\Ht tp\Message\RequestFactoryInterface".
Can you explain me how solve it ?

Thx

[karameloso]

I am quite sure you are missing the PSR7 implementation. Try composer require nyholm/psr7