Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 65781162aa18a8f57f861d2af9c834360f1b16db57da347c42c888d39f3e0916:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^