Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa1d109eb0bfa0c6641f5919fa8708d08100c2318e2fed6b7089a008451cc06c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^