Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a14faec1f5f144752ca5603d883ce88eb441fbda114b04c86a3d163c1c1efc07:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^