Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e5f934e21e2dc13957f1fdd486efeb07dfedb7a70027a6ec578481fd7cd9781d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^