Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 449781d8c7913f6aabb1c4672fddf09b1b30665f7de2d887031d0bdc2925fa8a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^