Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be9e4b3d2b65328075d5c5f6893765f723d46f32af7ffda7a48b68f239bf1c5c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^