Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 197cb391c4c6e7fc068aa333d0d9847e1811e6ceaa501cd0476216ce815bc2a9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^