Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d2de491fca266e688117e797faa37180ad7e8262f0dd2bfc1ed8da61c5e88cab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^