Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5c57ef88f7cd1e217a22b8a4f7b92447f8436a20f762f54ff71da7773d15ad1c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^