Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 58a9c9c505673efa4d139635b7340e6a8ae091c39805708de305629baeed1d9b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^