Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2f5b4c45311337385b95144f4ca3d5c76d72f8c4f28751f2dc34eda79270983b:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^