Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b8db7cfd103d5d88e5d285c3dc6cb57b559626c47c2f5c2d6916622ab1a5433e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^