Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 48645260364a8171875fe4d7945253a8e9d5bb8790593a9015b989b70b57f525:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^