Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b9a35fbb161dcf393cfd9bf0da3c5a9f7f1af20116608a4bf30138048feafe86:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^