Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 92ff602e3528ab6cc088b945acb076d8d70d6c3f94fa100f3acaa2d49528b7b8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^