Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e02978410be98d922ea31956c5acbccd5ae711a6fb9ee72ae9bd565d0c68faa9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^