Site URL : www.hiphop.org/storeCMS : Joomla Version 1.5.18Server Type : FreeBSDWeb Server : Apache v2.2.13 PHP Version : 5.3.2 PHP Max Post Size : 8.00 MBPHP Maximum Upload Size : 2.00 MBPHP Memory Limit : 128.00 MB            MySQL Version : 5.1.39MySQL Packet Size : 1.00 MBI'm thinking this may have something to do with permissions? Are there any certain directories in the k2 root directory that need write access, CHMOD 777 ????

Well its not a permissions thing.. I'm lost here.. someone please help...

If you are getting a blank page turn error reporting to highest in Global Configuration/server tab and see if you can get an error that will point you in the right direction

This is the error I receive when trying to view an item via front-end on the site...

Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'UTC' for 'UTC/0.0/no DST' instead in /store/libraries/joomla/utilities/date.php on line 56 Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'UTC' for 'UTC/0.0/no DST' instead in /joomla/utilities/date.php on line 198 Fatal error: Call to undefined function mb_internal_encoding() in /store/components/com_k2/helpers/route.php on line 55

This is the error I receive when trying to ADD a new item via back-end in the admin...

Warning: mktime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'UTC' for 'UTC/0.0/no DST' instead in /public/store/libraries/joomla/utilities/date.php on line 117 Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'UTC' for 'UTC/0.0/no DST' instead in /public/store/libraries/joomla/utilities/date.php on line 198 Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'UTC' for 'UTC/0.0/no DST' instead in /store/libraries/joomla/utilities/date.php on line 198 Fatal error: Call to undefined function mb_internal_encoding() in /store/administrator/components/com_k2/tables/k2item.php on line 74

see Leftis comment at community.getk2.org/forum/topics/upgrading-from-20-to-21-fatal
check Help - System Info - Php settings to see wether or not it is enabled

Thank you for your help.

If someone comes by looking for a more definitive answer than this, and is having trouble with mbstring running your own CentOS server, just do:

 

yum install php-mbstring