Sorry for the late reply. I did few changes on the job. I found that this error occurs because of a multiplication upon a integer column of one of the tables. This particular column stores time in seconds. I'm updating that column by multiplying by 1000, to get the values in milliseconds. I'm using 'Calculator' and 'Table Output' transformation components to do the update. When I run the job, Calculator component gives me the error. Could it be the insufficient size of the column, which occurs this error?