With Plesk 7.5.x, a PHP upgrade to version 5 will cause some issues with Horde. These issues stem from problems with the pear scripts that Horde depends on.
To fix it, run these commands:
# pear upgrade DB
# cp -a /usr/share/pear/DB.php /usr/share/pear/DB/ /usr/share/psa-horde/pear/
If you have any further issues, questions, or would like some assistance checking on this or anything else, please reach out to us from your my.hivelocity.net account and provide your server credentials within the encrypted field for the best possible security and support.
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