Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a479c2e49c38babb74a66e9b8256c17f35320d612ce47ce248a0e88dff94a5a0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^