Can only add one row?

[Elephant]

Hello,

I have this code, it's working fine, but only to add the first row to the database table, not to add more than one. If I clear the database I can add one row with data again, but no more

"INSERT INTO livsmedel (namn, gramport, enhet, prot) VALUES ('$namn', '$gramport', '$enhet', '$prot')";

In the database I have the "id" set to primary.

Thanks,

[Elephant]

Problem solved.

Had to set "id" to auto_increment.

Thanks,