Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b21d2d214f481a81b5b04d0fdcef94f62bfb504d7c965a5f7aeff24a4170c21a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^