Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d5e35f1806d0aa7f6e807342f26ca73707afbf9cb69af144c55c5f0d5134a15b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^