Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ae2c68f29ae42e33dd1fc067f3c0e13f81da50d13cbdf129d75415cf80cf8c45:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^