Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aa77749075ed75f1d566f1057f3fdd221483ae5c82fa0355b8fc2265792cc9e9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^