Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 55fa6143b519c85229ea1df4d1c7f90431bfc2f3600b68e10173b87f88b6a1f2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^