Follow the below path to create the fine amount settings
Method 1:
Settings --> Finance --> Create Fine Amount Settings --> Select the Academic year, Branch, Class, Fee type and click on Get --> Click on + symbol against the installment, update the fine amount details and Save
Method 2:
Finance --> Fee Management --> Fine Management --> Select Academic Year, Branch, Fee Type and click on Get --> Create Fine Amount Settings --> Select the Fee type --> Click on + Symbol against the fee plan --> Update the fine amount details --> Save