Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b7cc698d5d9b99edbfa15958e6645b977968b4f7b7ecbd12f13d8f005781f618:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^