Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 70faa18d6ffff81e64a3838fe77c6833ea7a38adf28fa5c67807d3839f6a61a1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^