Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a38bd3bacae9f10e92167d393169251c54ea5ba2739c69b6f39850e9f4ab8ecc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^