Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31dca62ae20d7d85912961ac0268e04803871dbf371c598ed61dad8d8aa80e0e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^