when installation finish I got this on http://askeet/ (machine with PHP5/MySQL5)
Oops! There was an internal server error.
Go back a page
Visit the home page
500 Error : internal server error
and on http://askeet/frontend_dev.php/
[exception] sfAutoloadException [message] Autoloading of class "self" failed. Try to clear the symfony cache and refresh. [err0003] [stack trace] at () in SF_SYMFONY_LIB_DIR/symfony.php line 133 at autoload('self') in n/a line n/a at array_walk_recursive(array('Partial', 'Cache', 'Form'), array('self', 'replaceConstantsCallback')) in SF_SYMFONY_LIB_DIR/config/sfConfigHandler.class.php line 132 at sfConfigHandler::replaceConstants(array('Partial', 'Cache', 'Form')) in SF_SYMFONY_LIB_DIR/config/sfDefineEnvironmentConfigHandler.c lass.php line 104 at sfDefineEnvironmentConfigHandler->fixCategoryValue('sf_', 'standard_helpers', array('Partial', 'Cache', 'Form')) in SF_SYMFONY_LIB_DIR/config/sfDefineEnvironmentConfigHandler.c lass.php line 91 at sfDefineEnvironmentConfigHandler->getValues('sf_', '.settings', array('available' => '1', 'path_info_array' => 'SERVER', 'path_info_key' => 'PATH_INFO', 'url_format' => 'PATH', 'use_database' => '1', 'use_security' => '1', 'compressed' => , 'tidy' => , 'i18n' => , 'timeout' => '1800', 'suffix' => '.', array('Partial', 'Cache', 'Form'), 'max_forwards' => '5', 'web_debug' => '1', 'cache' => , 'default_cache_lifetime' => '86400', 'no_script_name' => , 'stats' => , 'error_reporting' => '4095', 'rich_text_js_dir' => 'js/tiny_mce', 'safe_slot' => '1', 'use_flash' => '1', array('default'), 'strip_comments' => , 'etag' => , 'validation_error_prefix' => ' ↓ ', 'validation_error_suffix' => ' ↓', 'validation_error_class' => 'form_error', 'validation_error_id_prefix' => 'error_for_', null)) in SF_SYMFONY_LIB_DIR/config/sfDefineEnvironmentConfigHandler.c lass.php line 53 at sfDefineEnvironmentConfigHandler-> execute(array('/usr/local/lib/php/data/symfony/config/settin gs.yml', '/home/sfprojects/askeet/apps/frontend/config/settings.yml', '/home/sfprojects/askeet/apps/frontend/config/settings.yml') ) in SF_SYMFONY_LIB_DIR/config/sfConfigCache.class.php line 99 at sfConfigCache->callHandler('config/settings.yml', array('/usr/local/lib/php/data/symfony/config/settings.yml', '/home/sfprojects/askeet/apps/frontend/config/settings.yml', '/home/sfprojects/askeet/apps/frontend/config/settings.yml') , '/home/sfprojects/askeet/cache/frontend/dev/config/config_se ttings.yml.php') in SF_SYMFONY_LIB_DIR/config/sfConfigCache.class.php line 195 at sfConfigCache->checkConfig('config/settings.yml') in SF_SYMFONY_LIB_DIR/symfony.php line 166 at require_once('/usr/local/lib/php/symfony/symfony.php') in SF_ROOT_DIR/apps/frontend/config/config.php line 85 at require_once('/home/sfprojects/askeet/apps/frontend/config/c onfig.php') in SF_ROOT_DIR/web/frontend_dev.php line 8 [symfony] v. 0.6.2 (symfony-project.com) [PHP] v. 5.1.1