Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c812af5f43a9c50b1f06965a90239e2a7c17f65e557ed88b1f97ff38cd72f577:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^