Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d6b2b672e6b63c6575648e81009fcbd5ed93454ad501ce9623f7dfabe23dfd4c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^