Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 715fe029925b1b6f55d5e85474475e567789c5d90f641af2bf3f92debae16ffb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^