Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ff84dbd398ecaf1eba6672afe33e841aea1f3627209c080abbd74a479631e20c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^