Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 75055cb4a26b13946650c320eb9bf967f7be536c1df90a4ec999e5bfba6e5fce:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^