Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 510fe1b2387a0361085a745a608f826f0ecafe0a2b9c34b8f3bf9270d85c8430:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^