Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8cd81743a8658d5cd1ac8b38464abe738cea85ea69e74dfee04beb493702c9b4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^