Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d4feb71c3dff2eab5f222a357251ecf1987a6f3fef5d1d4102d77993f2cf9be4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^