Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6f114649da17d2a0fdb3ea71aadf11f55369bd71dd7effd6f866d1f86c4f6058:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^