Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d709d2503beec0da906ab37a4644a94d97ba9675cc82cd13ff9b8bc648d4a761:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^