Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8f1e2a01f71252ec305d001633bb2fcc62cc46da1585172381ce47fd9d955a13:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^