Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bac186856575ef9d790b7e0bb4b199570ddcfc1cf3966cdeb800b85b51ce7b32:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^