Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ce3f9e5122dc5bb52e19e8a639e1df02c95533997f54124989a05eacca8bd2bf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^