Fatal error: Cannot declare class Error, because the name is already in use in /volume2/web/obeclib/classes/Error.php on line 17

Call Stack:
    0.0264     359696   1. {main}() /volume2/web/obeclib/home/main.php:0
    0.0451     360056   2. require_once('/volume2/web/obeclib/shared/common.php') /volume2/web/obeclib/home/main.php:6
    0.1594     364816   3. require_once('/volume2/web/obeclib/classes/Error.php') /volume2/web/obeclib/shared/common.php:103