Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d661811a8db5543677e033e0ceeb00566f558070a18d6a3ad4c71e97ae59dfcc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^