Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1f9fd8557168244f793bf25f5afb87bea098215f76668840b82e5f2d6c2cd6ab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^