Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aa9c80756f59dbb733d3a06aab1c3394da01c15172e21dcfb22ffc35d8b456be:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^