Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3316e7c5154a41091e46c246a939d8a1135c08cbbca73eb3664acd012ceb2b1e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^