Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> da22f1c6e103aef33db72573b19f1e45d51b1c792a36af666782917c0935249b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^