[imp] WARN: HORDE PHP ERROR: htmlspecialchars()

[ANANT S ATHAVALE]

Dear List,

Dec 27 2013 08:49:44 WARN: HORDE [imp] PHP ERROR: htmlspecialchars()
expects parameter 1 to be string, array given [pid 13619 on line 211 of
"/var/www/horde/imp/lib/Ajax/Application/ShowMessage.php"]

got the above warning 6 times in a sequence.

Is this ignorable?
-- 
           Regards
            Anant
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