Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4d16b45be4731689a055afa620578c48d1d1a38cc6fe54b665ace4d1fb893487:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^