Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 893a711b341655c4013c21409ec7f99dfba6a702c89a8a9186fb34528d8b6a1a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^