Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c8d3bf209159742c3cc793ea2aeb74411afb9c5f15c095e45e00070515192b8d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^