i have database with number of tables id of all tables is identity suddenly when i try to insert in a some tables i found an error that say item has already been added. key in dictionary '144184' key being added: '144184' i found the proplem in the identity where the table has 60 record and the identity stop at 40 and doesn't see the last 20 records when i stop the identity from sql server and i turn it on again the identity saw the 60 records and...