Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 66d4142bce70236962307b498f8cc6a38a1edaa7a3c90d857a87f969be04ba48:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^