Hi,

Error log is:
2016-01-12 16:22:25.994 ** ERROR ** HACK ================================================================
2016-01-12 16:22:25.994 ** ERROR ** Try to hack detected
2016-01-12 16:22:25.994 ** ERROR ** Source Code = invalid msgClosedApplication value - Application is closed.
Only admin user can connect.
Please come back later.
2016-01-12 16:22:25.994 ** ERROR ** QUERY_STRING = adminFunctionality=setApplicationStatusTo&newStatus=Closed
2016-01-12 16:22:25.994 ** ERROR ** REMOTE_ADDR = [HIDDEN]
2016-01-12 16:22:25.994 ** ERROR ** SCRIPT_FILENAME = [HIDDEN]/tool/adminFunctionalities.php
2016-01-12 16:22:25.994 ** ERROR ** REQUEST_URI = /tool/adminFunctionalities.php?adminFunctionality=setApplicationStatusTo&newStatus=Closed

Thanks in advance,