Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1c6d61f04bd1477abf9771d71fe395830993bc3fdd66d0b722cfb6f8797cb797:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^