Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f739fef12b964b1760a99f28b02807be64a67156f730a063f77ad417cee53745:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^