Discrepancies between KK Parent and KK Child Ledger

There are missing transaction lines in the KK Child ledger, although these lines are present in the KK Parent ledger and GL. In some instances, the lines exist in the KK Child ledger but with an amount of 0, leading to discrepancies between the KK Child and KK Parent ledgers. We are looking to insert the missing rows and update the amounts in the KK Child ledger using SQL. However, we are unsure which table should be updated and what process or run control should be executed to ensure these changes are reflected in the related tables. Any guidance will