Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cb93dab7c06f49797b983c5a61b82a1dec91f59dd0b756525fd5b6fbddd612be:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^