Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 472958c3b221bbeda1a60c9e49f885d5a9ac15753da217a3872e4a60a33ec161:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^