I have a table at mysql that has a foreign key at another table (product_code and product).
Until yesterday all where ok but today when I try to insert values at product_code there is the erroris here.Error Number: 1452
Cannot add or update a child row: a foreign key constraint fails
We do nothing at db, at toad once I have the cursor up this table, the free innodb:9216 kb message is here.
What is wrong?