i get this error eatch time i try to insert this Duplicate entry 'http://kljvxvs.com/files/kk2' for key 2

why when i try to insert data to mysql i get this error

Duplicate entry 'http://kljvxvs.com/files/kk2' for key 2
if try to insert http://kljvxvfdsfdsfds2 for key 2
why is this?
mgtm3Asked:
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fouriceConnect With a Mentor Commented:
Perhaps you are trying to insert a record with an already existing key id?
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MMDeveloperConnect With a Mentor Commented:
sounds like the column that stores that text, is set to be the index/primary key.
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Loganathan NatarajanConnect With a Mentor LAMP DeveloperCommented:
yes, the column field might be set as UNIQUE , just check it
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mgtm3Author Commented:
what coulmn are you talking about the one that stores http://kljvxvs.com/files/kk2'   or the on the stores the key 2 ???????
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fouriceConnect With a Mentor Commented:
Look at your table structure. The table you are inserting the record to must have 1 or more fields. Is one of those fields set as UNIQUE? You can use PhpMyAdmin to find this out.
Also what is the code part that inserts this into the db?
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MMDeveloperCommented:
unless I'm mistaken, I think key 2 means it's the second column of the table, which is probably the one that contains the string "http...."
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mgtm3Author Commented:
yes one of them is uniqe but the thing that i am tring to insert does not exest in the databse
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fouriceCommented:
Perhaps showing some code, the table structure and table content could be of help.
Are you also sure there is no other field which is the same? Like a key or something?
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ScannyRConnect With a Mentor Commented:
Can you please post your table structure (including any specified keys) and the query you are trying to execute?
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