I try to install an existing project,
when I try to execute : php composer.phar install =>
I get this error,
[Symfony\Component\Debug\Exception\ContextErrorException] Warning: trim() expects parameter 1 to be string, array given
Script Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::clearCache handling the post-install-cmd event terminated with an exception
[RuntimeException] An error occurred when executing the ""cache:clear --no-warmup"" command.