Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4b76d022c52f9fc119d38a35a8808f81eabf916f6d1e80182081bcceb993cc0c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^