-3

I've started to collaborate with one project and to setup it I need to run composer install but it shows me such error. What should I do?enter image description here

Your requirements could not be resolved to an installable set of packages.

Problem 1
- Installation request for symfony/symfony v3.4.25 -> satisfiable by symfony/symfony[v3.4.25].
- don't install symfony/var-dumper v4.2.6|don't install symfony/symfony v3.4.25
- Installation request for symfony/var-dumper v4.2.6 -> satisfiable by symfony/var-dumper[v4.2.6].

Stephan Vierkant
  • 9,674
  • 8
  • 61
  • 97
yarsinchenko
  • 1
  • 2
    The error is quite self-explanatory. You are installing `var-dumper` from sf4 in a sf3 environment. – msg Jul 19 '19 at 18:57
  • @msg how can I change it? – yarsinchenko Jul 19 '19 at 19:26
  • 2
    Possible duplicate of [Your requirements could not be resolved to an installable set of packages for pinterest API](https://stackoverflow.com/questions/39010228/your-requirements-could-not-be-resolved-to-an-installable-set-of-packages-for-pi) – msg Jul 19 '19 at 19:32

1 Answers1

-1

I think you need to update your project before use it, so run composer update

abdulrhman alshmmri
  • 3