Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dd6466f17dbfa968ca772083ae70c86e7114b8003e241694cdf4edf863c85bf9:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^