Error message

• Notice: Undefined index: REDIRECT_URL in user_profile_enhancements_boot() (line 257 of /var/www/honorsociety-drupal/releases/ec146438/sites/all/modules/custom/user_profile_enhancements/user_profile_enhancements.module).
• Notice: Undefined index: REDIRECT_URL in user_registration_boot() (line 2162 of /var/www/honorsociety-drupal/releases/ec146438/sites/all/modules/custom/user_registration/user_registration.module).
• Notice: Undefined index: REDIRECT_URL in user_registration_boot() (line 2166 of /var/www/honorsociety-drupal/releases/ec146438/sites/all/modules/custom/user_registration/user_registration.module).
• Notice: Undefined variable: slider_data_array in main_articles() (line 281 of /var/www/honorsociety-drupal/releases/ec146438/sites/all/modules/custom/hs_blogs/hs_blogs.module).
• Notice: Undefined variable: slider in main_articles() (line 282 of /var/www/honorsociety-drupal/releases/ec146438/sites/all/modules/custom/hs_blogs/hs_blogs.module).
• Deprecated function: Invalid characters passed for attempted conversion, these have been ignored in hsCustom_blogSummery() (line 526 of /var/www/honorsociety-drupal/releases/ec146438/sites/all/modules/custom/hs_blogs/hs_blogs.module).
• Deprecated function: Invalid characters passed for attempted conversion, these have been ignored in hsCustom_blogSummery() (line 526 of /var/www/honorsociety-drupal/releases/ec146438/sites/all/modules/custom/hs_blogs/hs_blogs.module).
• Notice: Undefined offset: 0 in _menu_check_access() (line 644 of /var/www/honorsociety-drupal/releases/ec146438/includes/menu.inc).
• Notice: Undefined offset: 1 in _menu_check_access() (line 644 of /var/www/honorsociety-drupal/releases/ec146438/includes/menu.inc).
• Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in menu_set_active_trail() (line 2405 of /var/www/honorsociety-drupal/releases/ec146438/includes/menu.inc).