Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 815a620f21164503d71f4413374200f6b9fd8a78ca595239c1131aa7aa6afdeb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^