Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f8cf25b21c2c85862b530170b3d4dd42bb2ff46bc08d637b1efef03100cccf4e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^