Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dc8644eff5ba1a3f5e0242a50341884ce20042ac7fb9e1f7945b0c32208c2f5d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^