Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c84397fd58b651e0907e4c46acf5ab1dae077e2ea30cfd3307a9f2bde47f3daa:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^