Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c1ab6f45de1ef8bc5c035882619f03dea55a35dd9bf46edbe2505221915cfd25:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^