Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c2e49d65c3fe3b8bab5a6c1df7b8400d62aa771d0882ba32c686d493e454ca3d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^