error on Database insert

Greetings all,
I have been receiveing an error on database inserts  stated below:

Bad int8 external representation "0x000000000002"

what is this all about, why won't it insert this data into my bigint field in my Database?  What does it mean by
externalrepresentation? 
Does anyone have any suggestions
Thanks,

Cameron Seader
Operations Center Technician II
CSeader@Idahopower.com
1.208.388.2582 Office



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