Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b8ed6b5723cdf8387b69536e2c190119ff92dfbffdbe2829102d25eba76e94a9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^