Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 81369390f4ab45ce87601d3fc4ff72a461a513f8f6193425a38cff0c4950e31f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^