[horde] some problems in sql.php

[Webadmin]

Dear guys;
everything was working ok and fine I can't remember what is changes really 
that caused this to appear just after logging in the horde, can some pls 
advice?

Fatal error: Call to undefined function: iswarning() in 
/home/html/admins/horde/lib/Prefs/sql.php on line 101

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Best Regards
WebAdmin, Salam2U.com

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