Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 896bd392d07fe483b30e4cddd6d70a5b2dc3a021359580a22ca14d6c36bedb8a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^