Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a0509b406409c0a2657648041e4e0dd1777e9bf6f34339e5de851462e2c5c6e3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^