Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 431d97b0313874b43b5728fb1f5e1bbbaeffd941a0d9d20017d8f51cc4796f11:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^