Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 396d7ec87d5aba0cecf6816a82fdd2f94530d437576afc480e7f4b82520647a4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^