Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b9c19c37dfa1db79713ef4086867fc0c0babb97a31e2392a6febcf01021f0810:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^