Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 96bed6ebc695d1729aae2053a58c7575992dbfb27a902926252cf982281af1d2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^