Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7b079bb73ba646a29b494bce8ed2bb87e950407b2665a1ef8aaf345e083ffb19:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^