Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9fb1053a00731ec706a9b415171c5ab72c1bd878eeb4bab939ae9e01a8e74358:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^