[imp] Getting Warning messages after upgrade..

[ANANT S ATHAVALE]

Dear List,

Getting the following warning messages after today's upgrade to the lastest
versions of HGWE 5.1.1.

Aug 28 2013 17:38:15 WARN: HORDE [imp] PHP ERROR: array_keys() expects
parameter 1 to be array, boolean given [pid 32239 on line 433 of
"/usr/share/pear/Horde/Imap/Client/Socket.php"]
Aug 28 2013 17:38:15 WARN: HORDE [imp] PHP ERROR: array_merge(): Argument
#2 is not an array [pid 32239 on line 433 of
"/usr/share/pear/Horde/Imap/Client/Socket.php"]

Any pointers to resolve this warning.
-- 
           Regards
            Anant
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