Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a48eb6200c97148023926e842b9c8fd725ddae33812d0a492f7f245d9bda8a6a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^