Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 402e63814497fd1ce1d8de38366739e3861111e7ac9fd72c00c0b9ffaaaef810:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^