Horde webmail shows "Registry objects should never be cloned" error

The Horde webmail shows the following error when we access it using the webmail.domainname
" Registry objects should never be cloned"

In order to fix the horde issue do the following:
Check the field zend.ze1_compatibility_mode in the php.ini
Modify it to zend.ze1_compatibility_mode = Off
Restart the apache