Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5b6de004aa48a0e209d682ad91d9afb188c9a54749d7b3b2a7c778afa8a27966:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^