Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4a9f64070f80db21c8ecaf90202289ed3422e1883f5f8b9ce3bba4e3e3982a3e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^