Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1205108877cb729a1be289e5c8c019935ccde535302b0fbb69cc23d490823fcb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^