Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6cfeceede89fff8f8df4b8dd9c95018b7a94bc7ebbd17217a930aa80518d8d12:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^