Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 78a07da867b676527aaace32ba9906caa45648ac3c50e5f9a3e2889d9cad9fe6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^