Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d72ea6bd1e85e7959f40ff66f15f19a0f6ed8d84e8a77deb66e9d09031478879:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^