Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 431df53a3bc57afe1ec59a1f3e9e983012e890a8dd13e8f427c15d4d6936c4fb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^