This is error redmine when it load web redmine

Anyone can help me :(

This is error my redmine when i load web redmine

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vi /etc/httpd/logs/error-log:

PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/http.so' - /usr/lib64/php/modules/http.so: undefined symbol: php_persistent_handle_abandon in Unknown on line 0
[Fri May 08 22:53:08 2015] [notice] Apache/2.2.15 (Unix) DAV/2 mod_fcgid/2.3.9 Phusion_Passenger/5.0.7 mod_ruby/1.3.0 Ruby/1.8.7(2013-06-27) mod_perl/2.0.4 Perl/v5.10.1 configured -- resuming normal operations
App 16448 stderr: Cannot execute "/usr/local/rvm/gems/ruby-2.1.5/gems/passenger-5.0.7/buildout/support-binaries/PassengerAgent": Permission denied (errno=13)
[ 2015-05-08 22:53:45.6201 16404/7f9d4c49e700 App/Implementation.cpp:287 ]: Could not spawn process for application /storage/www/redmine.vieter.vn: An error occured while starting up the preloader.
  Error ID: ae4aaf6b
  Error details saved to: /tmp/passenger-error-oXXkpt.html
  Message from application: Cannot execute "/usr/local/rvm/gems/ruby-2.1.5/gems/passenger-5.0.7/buildout/support-binaries/PassengerAgent": Permission denied (errno=13)


[ 2015-05-08 22:53:45.6293 16404/7f9d4cee0700 age/Hel/Req/CheckoutSession.cpp:252 ]: [Client 1-1] Cannot checkout session because a spawning error occurred. The identifier of the error is ae4aaf6b. Please see earlier logs for details about the error.

ruby 2.1.5 / gem 2.4.3 / passenger 5.0.7

vi /etc/httpd/passenger.conf

LoadModule passenger_module /usr/local/rvm/gems/ruby-2.1.5/gems/passenger-5.0.7/buildout/apache2/mod_passenger.so
<IfModule mod_passenger.c>
    PassengerRoot /usr/local/rvm/gems/ruby-2.1.5/gems/passenger-5.0.7
    PassengerDefaultRuby /usr/local/rvm/gems/ruby-2.1.5/wrappers/ruby
</IfModule>