Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3f5ef42474b8f2185db64a9b57cdd47b30906ab97a3a50fc196ba92dbfed6030:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^