Sigh. What exactly are you trying to do when you get this message? The message itself is pretty clear about the problem. At leaast one value of the data in a column in your data source that is defined as a string has data which cannot be converted to the integer data type. Could be 'AAAAA'. Could be '24.672'. The only thing to do is examine your source data for the invalid value. If you're asking for tips on how to do that, the answers will depend on whether your source data is in a database table or in a flat file or something else.
And then again, I might be wrong ...
David Webb