Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0d93225616204f1094d4a22829418f202d879bc7af4976feda8b75b9dc7b24fc:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^