Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f07faa5db840fd2d7d0c30181a5a84e421d3af81672ce20fb5407918e67bfc60:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^