Reputation: 1

How to Fix: requirements could not be resolved to an installable set of packages error on symfony

Hie I get the following error when trying create a symfony project. This has been working well until I tried to start another project. Help please.

$ php composer.phar create-project symfony/framework-standard-edition BookSite

Installing symfony/framework-standard-edition (v2.6.3)
  - Installing symfony/framework-standard-edition (v2.6.3)
    Loading from cache

Created project in BookSite
Loading composer repositories with package information
Installing dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

  Problem 1

    - sensio/distribution-bundle v3.0.12 requires sensiolabs/security-checker ~2.0 -> satisfiable by sensiolabs/security-checker[v2.0.0].
    - sensio/distribution-bundle v3.0.13 requires sensiolabs/security-checker ~2.0 -> satisfiable by sensiolabs/security-checker[v2.0.0].
    - sensio/distribution-bundle v3.0.14 requires sensiolabs/security-checker ~2.0 -> satisfiable by sensiolabs/security-checker[v2.0.0].
    - sensio/distribution-bundle v3.0.15 requires sensiolabs/security-checker ~2.0 -> satisfiable by sensiolabs/security-checker[v2.0.0].
    - sensiolabs/security-checker v2.0.0 requires ext-curl * -> the requested PHP extension curl is missing from your system.
    - Installation request for sensio/distribution-bundle ~3.0.12 -> satisfiable by sensio/distribution-bundle[v3.0.12, v3.0.13, v3.0.14, v3.0.15].

Upvotes: 0