Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 343cf0e343992e825358a9bca04010d1d04af1078b8eec7b2c08f2c0fb8d008b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^