Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 43ce4f54a7bf6df060bd53582b2e2f1664f864410bcb8fb9da42bce0a2de86cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^