I am using PHP Outlook Web Access: Access Microsoft Exchange Web services via OWA API for the sole purpose of accessing user's calendar appointment.Everything is working just fine for all user but for one specific user it's showing error as:

Message: Use of undefined constant _DEBUG_ - assumed '_DEBUG_'Filename: classes/connection.phpLine Number: 51There was a problem parsing your XML!New http() object instantiated.--------------------------------fetch() calledurl: https://exchange.icimod.org/Exchange...r/getFromUrl() calledAuthentication will be attemptedXML request will be sentHTTP/1.1 302 Object MovedContent-Length: 179Content-Type: text/htmlLocation: https://exchange-1.icimod.org/Exchan...lendar/Server: Microsoft-IIS/6.0X-Powered-By: ASP.NETDate: Tue, 08 Oct 2013 05:12:21 GMTConnection: close Object MovedThis document may be found hereNew xml() object instantiated.fetch() called.XML error: Invalid document end at line 2 Select * FROM Scope('SHALLOW TRAVERSAL OF "/Exchange/spandey/calendar/"') WHERE NOT "urn:schemas:calendar:instancetype" = 1 AND "DAV:contentclass" = 'urn:content-classes:appointment' ORDER BY "urn:schemas:calendar:dtstart" ASCIn here link it gives the link of outlook express. Why is it so? Is it the problem of configuration or am I doing something wrong?
Any help/suggestion is welcome.Thanks in advance.

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