Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1729812909ead35d270a341dd0b9decf96ac2da688af2acdbcf4bf1fb5d781cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^