Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 671ba2481096727feabf5ef0e929179ccff0ea29e8bc90502f5d008069d725dd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^