Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c4fc8fb2a049fad4f2f44e133463cfc1b440c00a2be5ac390a1bceb25d3561c2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^