Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ab858dbbd17adaef68d2280e26db1c807f0cd43fd4938f443d0de41970e4385d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^