Alittle help here please...

The friends request on my site http://www.islandflik.com returns an error below

==================================error=========== ================================================== =================
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'a,
islandboy want to be friend with you:)
Personal message from isla' at line 3
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Can anyone help me please?