Have you deployed out eXtplorer and received this error:
PHP Deprecated: Non-static method PEAR::isError() should not be called statically, assuming $this from incompatible context in X:\XXXXXX\WWW.AAAAA.com\www\libraries\JSON.php on line 828
it’s an easy fix.
edit the file
edit line 247
function isError($data, $code = null)
static function isError($data, $code = null)