Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> baf31281d3250d2c7f30f072040a4d879c7b8641d70b93bbad458d98073e7944:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^