Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f31a6b4425984eb52ac92b1507db3590288ce1e0fc3eb25e1e3ea8239987785c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^