Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4d49d9ab3aa199e035a64e71fd3adc5e14317530194e2e0c82413e3359b7399e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^