Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bf69d41b6c88b2dbfa54bc602dbf74c85cada646b7e1f7ea907bceccec1591b4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^