Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3001a1398696b2e256bbd85a8754882bea48fb9a4bf251abce1c1db5c868af7e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^