<prompt> Human: My student loan account 1000 when I started paying into it was paid off and Credit Karma is showing that the account has been closed. This brought my score down about 100 FICO score points.Is this normal?Are lenders basically penalized for paying off their loans?Can I dispute this in some way to get my score back up?I have other student loan account I am trying to pay off so obvious this will happen again in the future. Thanks for the help.  <response>: Your average age of accounts probably went down especially if this is an older account. It will bounce back over time if you just keep doing the right things like keeping your utilization low and paying your debts on time. 