Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4bfbc10dd275b40e2d2900959122d5430fa81c046d3d05fcd1fc0730d468228b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^