Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ed3c689f0f8b7e059eb0e4256deaaabed15140e4bf99e93a6df3a20e1390536f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^