Probably this issue happened some of pages name cosntant not working. You Need to change some line in your core file. Your revivepath/lib/RV.php line 13 was as follows: require_once RV_PATH . ‘/lib/pear/PEAR.php’; You need to change this line in to require_once ‘/YourExactPathToRevive/lib/pear/PEAR.php’; Your path to revive should be your file path. Not your browser location.

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