Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4b4d68203c09e7ca8ce794e2e17618df13cf46528029d1b45b00370d35d02d13:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^