Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d984e475d1df4ac9f9f55bb82b2d04915e33698bb0670f02335d0d04d10fe9b2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^