Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 34de70b9dae98bd4d320c13d0f2effaa4397558b6ec6beb48a7f13e4a0e32187:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^