Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bd73555a28244e2eb7beba4b20730737a1ff8ea729c69e59af4a2fbb28cc0064:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^