Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a9fc59e0b2a96afdfe404bd7354c1637596e3069e24c09bbd2dd3fa7191960ed:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^