Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ff0180bf72dfdb9cde57ad486b4c39815e817d01c7ae4ece15fb5f5a03b12310:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^