Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ac54e876864d707ef78e756e0c3c4b221de953055839e001262eff1f01a108de:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^