Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 42ff06e456a9c475e9ed5506f37e4e69e94227874b1d075f1d96f0c9bae7da84:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^